The Binding of Isaac: Repentance

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Repentance is a DLC expansion to The Binding of Isaac: Afterbirth † that was released on March 31st, 2021. It costs $14.99

For a list of the pre-release blog posts, see The Binding of Isaac: Repentance (Pre-Release).

Features

General features revealed include:

• The fan mod The Binding of Isaac: Antibirth integrated into the game as official content.
• A new reworked co-op mode, allowing up to four players to play as actual characters instead of babies.
• 130+ new items (more than 700 items in total and some are from Antibirth)

• A full alternate path with brand new chapters and two new final bosses and endings (one from Antibirth)
• 100+ new enemies
• 25+ new bosses
• 2 (+17) new playable characters
• 10 new challenges
• 100+ new achievements
• 5,000+ new room designs

Additions

Playable Characters

Character	Bethany	Jacob and Esau
Health		Jacob: Esau:
Damage	3.5 (*1.00)	Jacob: 2.75 (*1.50) Esau: 3.75 (*1.00)
Tears	+0	Jacob: 3.00 Esau: 2.50
Shot Speed	1	Jacob: 1.15 Esau: 0.85
Range	6.5	Jacob: 5.00 Esau: 8.00
Speed	1.0	Jacob: 1.00 Esau: 1.00
Luck	0	Jacob: 1.00 Esau: -1.00
Starting Pickups	4 Soul Charges	None
Starting Item(s)	Book of Virtues	None

There is also a "tainted character" for each existing playable character (including Bethany and Jacob & Esau) which can be unlocked by finding a hidden room on the new stage "Home". Because of that, the total number of playable characters in the game is 34.

Items and Trinkets

Activated Collectibles

Name	ID	Icon	Quote	Description	Quality
Abyss	5.100.706		Come forth from the depths	Destroys all items in the room and gives Isaac a unique attack fly familiar for each item destroyed.	4
Alabaster Box	5.100.585		A sacred offering	Spawns three soul hearts and two angel room items. Must be charged by picking up 6 soul hearts.	2
Anima Sola	5.100.722		Repent	Chains down the nearest enemy for 5 seconds, preventing them from acting.	2
Bag of Crafting	5.100.710		Make your destiny	Collects and holds up to 8 pickups. Holding the activate button crafts them into a passive item, with the power level based on the quality of pickups used.	3
Berserk!	5.100.704		Rip and tear	Causes Isaac to go berserk for 5 seconds, greatly increasing his speed, tears, and damage, but restricting him to using a melee weapon instead of his tears. This item charges by dealing damage to enemies instead of clearing rooms.	3
Book of Virtues	5.100.584		Spiritual companionship	On use, spawns an orbital Wisp familiar that fires spectral tears but can be destroyed. Also becomes a passive item that causes other active items to spawn themed Wisps.	3
Broken Glass Cannon	5.100.474		You broke it!	Begins with no charges and turns into Glass Cannon when used. Only acquired by taking damage while holding Glass Cannon.	0
Clear Rune	5.100.263		Rune mimic	Has the same effect as the rune or soul stone currently held by Isaac.	2
Damocles	5.100.577		A king's fortune... but at what cost?	Spawns a sword above Isaac's head, which doubles all item pedestals. After Isaac takes damage, the sword can randomly fall at any point, instantly killing him.	2
Dark Arts	5.100.705		One with the shadows	Makes Isaac invulnerable and intangible for one second. When the effect ends, all enemies Isaac ran through take damage and Isaac temporarily gains +1 damage for each one.	2
Death Certificate	5.100.628		Where am I?	Takes Isaac to an abandoned and expanded version of Home, which has one copy of every item in the game. After taking an item, Isaac returns to the room he used Death Certificate in.	4
Decap Attack	5.100.729		Chuck away!	Throws Isaac's head, which is still able to fire tears at the spot it lands. Reactivating the item or stepping on the head reattaches it.	2
Eraser	5.100.638		Erase thy enemy	Throws an eraser that instantly kills the first monster it hits, and prevents that monster from spawning for the rest of the run. Can only be used once per floor.	2
Esau Jr.	5.100.703		Lost brother	Swaps between the current character and Esau Jr., who has +2 flat damage and flight. Characters have independent items and health. Dying as either character ends the run.	2
Eternal D6	5.100.609		???	Rerolls all items in the room. Each item has a chance to disappear instead.	2
Everything Jar	5.100.720		Anything is possible	Spawns certain pickups based on how many charges it has. If fully charged, instead has one of many unique effects.	2
Flip	5.100.711		Life and death	Switch characters between Tainted Lazarus and Dead Tainted Lazarus.	3
Fortune Cookie	5.100.557		Reusable fortunes	Gives Isaac a fortune, soul heart, tarot card, or trinket.	2
Free Lemonade	5.100.578		Party time!	Creates a large pool of yellow creep beneath Isaac.	2
Friend Finder	5.100.687		Best friends forever!	Spawns a random friendly monster that mimics Isaac's movements and attacks.	3
Gello	5.100.728		Demonic gestation	Spawns a demon familiar that's attached to Isaac and moves and fires in the direction Isaac shoots, using Isaac's damage, tears, range, shotspeed, and special tear effects.	2
Genesis	5.100.622		In the beginning	Removes all of Isaac's items and pickups and takes him to a unique bedroom with some pickups and chests and a trapdoor to the next floor. For every item Isaac lost, he gets to take an item from a set of three.	2
Golden Razor	5.100.555		Pain from gain	Spends five coins to increase Isaac's damage by 1.2 for the current room.	2
Hold	5.100.715		Saved for later	Exclusive to Tainted ???. Allows him to save one poop bomb for later, allowing him to gather more over time.	0
Jar of Wisps	5.100.685		Your faith grows	Spawns random wisps that shoot various tears, block shots, and deal contact damage. The number of wisps spawned increases every time the jar is used.	2
Keeper's Box	5.100.719		Portable shop	Spawns a random shop item/pickup.	3
Larynx	5.100.611		Hear my pain	Makes Isaac shout, damaging and pushing nearby enemies. The shout gets stronger the more charges the item has. Can also be charged by taking damage.	2
Lemegeton	5.100.712		Item summoner	Spawns the ghost of a random passive item, which orbits Isaac but can be destroyed. While the ghost is alive, Isaac gains that item's effects.	3
Magic Skin	5.100.642		All your desires fulfilled	Consumes one heart container or two soul hearts to spawn an item and give Isaac a broken heart container that can never be filled. If Magic Skin isn't being held after being used, it is very likely to replace any future items.	2
Meat Cleaver	5.100.631		Slice but no dice	Splits all enemies in the room into two smaller versions of themselves with much less health.	1
Mega Mush	5.100.625		I'm a big boy now!	Gigantifies Isaac for 30 seconds, increasing damage and range while lowering tears, granting invulnerability, and allowing Isaac to crush enemies and obstacles he walks on. The effect persists between rooms.	4
Mom's Bracelet	5.100.604		Mother's strength	Lets Isaac pick up and throw rocks, TNT, poops, and other obstacles.	2
Plum Flute	5.100.650		Play time!	Summons the boss Baby Plum to fight for Isaac in the current room.	2
R Key	5.100.636		Time to start over	Brings Isaac back to the first floor of a new run, retaining all of his items.	4
Recall	5.100.714		Come back	Retrieves the Forgotten's body from any distance. Only available as the Birthright effect for Tainted Forgotten.	0
Red Key	5.100.580		Explore the other side	Creates a new room adjacent to a viable wall, indicated by the outline of a door. These rooms have a chance to be various special rooms.	3
Sharp Key	5.100.623		Open your enemies	Adds 5 keys on pickup. Allows Isaac to throw his keys to deal damage to enemies, destroy obstacles, and open doors.	1
Spin to Win	5.100.655		Let it rip!	When used, gives Isaac +0.5 speed and greatly increases the rotation speed of Isaac's orbitals for 3 seconds. Gives Isaac a spinning top orbital that blocks enemy shots and deals contact damage to enemies while held.	1
Spindown Dice	5.100.723		-1	Transforms all items in the room by decreasing their internal ID number.	4
Stitches	5.100.635		Bait and switch	Passively spawns a familiar that moves in the direction Isaac shoots. On use, Isaac swaps places with the familiar.	1
Sulfur	5.100.556		Temporary demon form	Grants Brimstone for the current room.	2
Sumptorium	5.100.713		Return	Holding down the fire button converts hearts into familiars that fire tears but can be destroyed. Activating converts the familiars back into hearts.	3
Suplex!	5.100.709		Angel breaker	Allows Isaac to dash into and pick up enemies, then slam them into the ground to deal damage and create rock waves that damage nearby enemies and destroy obstacles.	3
The Scooper	5.100.605		Plop!	Summons a Peeper familiar for the current room, which leaves a trail of red creep.	0
Urn of Souls	5.100.640		Unleash their sorrow	Spews a stream of damaging flame. Gains Soul Charges each time an enemy dies, which are used to fuel the urn.	3
Vade Retro	5.100.653		Begone!	While held, non-ghost enemies leave behind small, red ghosts on death; using the item causes the ghosts to explode, dealing damage to nearby enemies. Stronger enemies leave behind stronger ghosts that create more powerful explosions.	3
Wavy Cap	5.100.582		Tears up. A mind changing experience!	Increases fire rate, decreases speed, and distorts the screen. All effects become more pronounced with repeated use, and wear off by clearing rooms.	1
Yuck Heart	5.100.639		Gross!	Gives Isaac a Rotten Heart.	3

Passive Collectibles

Name	ID	Icon	Quote	Description	Quality
120 Volt	5.100.559		Zap!	Repeatedly zaps enemies that are close to Isaac.	3
2Spooky	5.100.554		4me	Enemies near Isaac are afflicted with fear.	2
4.5 Volt	5.100.647		Beat the juice out of them!	Active items don't charge when clearing rooms. Instead, they're charged by dealing damage to enemies.	2
A Bar of Soap	5.100.564		Tears + shot speed up	Gives Isaac +0.5 Tears and +0.2 Shot Speed.	3
A Pound of Flesh	5.100.672		Blood money	Devil deals now cost coins, shop items now cost health, and consumables in shops are free but surrounded by spikes.	1
Act of Contrition	5.100.601		Tears up, you feel forgiven	Increases tears and grants an Eternal Heart. Allows Angel Rooms to appear even if a Devil deal has been taken before.	3
Akeldama	5.100.641		Spill your guts	Creates a chain of tears behind Isaac while in combat.	2
Almond Milk	5.100.561		DMG down + tears up + you feel nutty	Quadruples fire rate, with x0.3 damage multiplier. Tears are given random worm trinket effects.	1
Astral Projection	5.100.677		The true out-of-body experience!	Causes Isaac to turn into a ghost if he gets hit while in a room with enemies, giving him flight and spectral tears and blocking the next hit he takes.	2
Azazel's Rage	5.100.699		Ancient power	Isaac builds rage every time a room is cleared. After four rooms, fires a large Brimstone laser when entering the next room.	3
Battery Pack	5.100.603		Instant energy!	Recharges Isaac's currently held active item and drops 2-4 batteries.	1
Belly Jelly	5.100.690		Bounce away!	Causes enemies to bounce off of Isaac, dealing damage to them if they hit and enemy or obstacle. Also gives Isaac the chance to deflect enemy shots.	2
Binge Eater	5.100.664		All you can eat	+1 red heart container and fully heals Isaac. Item pedestals cycle between their normal items and food, and collecting food grants a temporary damage boost and permanent bonuses to 2 stats.	3
Bird Cage	5.100.610		Fat buddy	The first time Isaac takes damage in a room, a familiar leaps on an enemy, dealing damage and releasing a rock wave. For the rest of the room, it chases enemies similar to Dead Bird.	1
Bird's Eye	5.100.616		It burns	Gives Isaac the chance to shoot fires alongside his regular tears that block enemy shots and deal damage to enemies that touch them.	2
Birthright	5.100.619		???	Has a different effect for each character.	2
Blood Bombs	5.100.614		Bloody blast + HP up	Grants a Red Heart container and restore 5 hearts. Bombs leave behind damaging red creep. Isaac can place bombs at the cost of half a heart if he doesn't have any.	1
Blood Oath	5.100.569		Bleed me dry	Stabs Isaac at the beginning of each floor, draining his red hearts. Increases damage and speed for the floor based on the amount drained.	2
Blood Puppy	5.100.565		What a cute little thing!	Spawns a familiar that chases enemies. After killing enough enemies, it becomes more powerful and drops red hearts after killing enemies, but will also try to hurt Isaac. Attacking it returns it to normal.	2
Bloody Gust	5.100.695		May your rage bring haste	When Isaac takes damage, he gains speed and tears for the rest of the floor.	3
Boiled Baby	5.100.607		Messy friend	Gives Isaac a familiar that fires chaotic bursts of tears in all directions.	1
Bone Spurs	5.100.683		Break your enemies	Enemies spawn floating bones on death, which block shots and damage/repel enemies that touch them.	2
Booster Pack	5.100.624		Collect them all!	Spawns 5 random cards.	1
Bot Fly	5.100.629		Defense drone	Spawns an orbiting fly familiar that fires shielded tears at incoming enemy projectiles.	3
Brimstone Bombs	5.100.646		Demon blast +5 bombs	Gives Isaac +5 bombs and causes his bombs to fire Brimstone lasers in the cardinal directions upon exploding.	3
C Section	5.100.678		Fetus shots	Switches control to a fetus that is attached via umbilical cord. The fetus has flight as well as all of Isaac's tear effects and stats.	4
Candy Heart	5.100.671		Power of love	Gives permanent stat boosts when Isaac heals with red heart pickups.	2
Card Reading	5.100.660		A link to your future	Spawns two portals that each lead to either the Boss Room, Secret Room, or Treasure Room at the beginning of each floor.	3
Consolation Prize	5.100.644		+1 to lowest stat	Increases Isaac's lowest stat and drops either 3 coins, 1 bomb, or 1 key depending on what Isaac has the least of.	1
Cracked Orb	5.100.675		Shards of knowledge	Unlocks doors and reveals a random room on the map when Isaac takes damage.	1
Cube Baby	5.100.652		Kick it!	Spawns an ice cube familiar that slides around when walked into. It slows and deals contact damage, freezing monsters it kills.	1
Dad's Note	5.100.668		...	Begins the sequence to access Home.	0
Dirty Mind	5.100.576		Filthy friends	Destroying poop spawns friendly Dips that follow Isaac and damage enemies. Destroying different types of poop spawns different Dips with special effects.	2
Divine Intervention	5.100.568		Double tap shield	Double tapping a fire key creates a shield that pushes away enemies and reflects enemy projectiles and lasers.	2
Dogma	5.100.633		Ascended	Grants flight, +0.1 speed, +2 damage, and the Holy Mantle effect. Grants enough health to have 6 full hearts, if possible. Automatically given to Isaac after defeating Dogma.	0
Dream Catcher	5.100.566		Sweet dreams	During the transition between floors, Isaac's nightmare shows the floor's Treasure Room item and boss. Grants half a soul heart when entering a new floor.	2
Echo Chamber	5.100.700		I can see see the future future future	When Isaac uses a card, pill, or rune, he also uses a copy of every card/pill/rune he used after picking up Echo Chamber.	2
Empty Heart	5.100.676		It multiplies	If Isaac has an empty heart container, another one is added at the start of each floor.	2
Evil Charm	5.100.632		Luck up + you feel protected	Increases luck by 2.0.	1
Eye Drops	5.100.600		Tears up	Lowers the tear delay in Isaac's left eye, causing his eyes to fire at different rates.	3
Eye of the Occult	5.100.572		DMG up + range up + controlled tears	Isaac's tears are now controlled mid-flight with tear controls. Also increases damage and range, but decreases shot speed.	3
Eye Sore	5.100.558		More eyes	Causes Isaac to occasionally extra fire tears in random directions while shooting.	2
False PHD	5.100.654		Worse pills + evil up	Converts good pills into bad pills and identifies all pills. Bad pills now have secondary positive effects. Grants one Black Heart.	2
Freezer Baby	5.100.608		Iced iced baby	Spawns a shooting familiar that has a chance to petrify enemies, and Freezes monsters upon killing them.	2
Fruity Plum	5.100.649		Bouncy friend	Gives Isaac a miniature Baby Plum familiar that propels itself diagonally around the room, firing tears behind itself as it travels.	1
Ghost Bombs	5.100.727		Spooky blast +5 bombs	Gives Isaac 5 bombs and causes his bombs to spawn ghosts that deal contact damage to enemies and explode after 10 seconds.	2
Giant Cell	5.100.658		Micro friends	Causes Isaac to spawn micro-Isaacs when he takes damage, which chase and shoot at nearby enemies.	1
Glitched Crown	5.100.689		?????	Before being picked up, item pedestals cycle between 5 random items.	4
Guppy's Eye	5.100.665		An eye for secrets	Shows the contents of Chests, Sacks, and Fire Places before they're opened.	2
Heartbreak	5.100.694		Eternal sorrow	Grants 3 broken hearts and +0.25 damage for every broken heart Isaac has. Every otherwise fatal hit will add 2 more until Isaac has nothing but broken hearts.	3
Hemoptysis	5.100.726		Double tap sneeze	Double-tapping a fire button causes Isaac to sneeze blood, dealing damage to enemies in front of him.	3
Hungry Soul	5.100.684		Out for blood	Enemies have a chance to spawn ghosts on death, which chase and deal contact damage to enemies and explode after a short time.	3
Hypercoagulation	5.100.724		Thick blooded	After taking damage from an enemy, launches a half or full red heart from Isaac that despawns after 1.5 seconds.	3
IBS	5.100.725		Your stomach rumbles	Causes Isaac to throw poop, create buffing creep, or drop bombs while fighting enemies.	2
Immaculate Heart	5.100.573		Halo of tears	Adds one red heart container and fully restores health. x1.2 damage multiplier. Isaac will occasionally fire extra tears that orbit around him.	3
Inner Child	5.100.688		Let him free	Upon death, Isaac respawns in the current room with half a heart left, a massive size down, and +0.2 speed.	3
Isaac's Tomb	5.100.701		Buried memories	Spawns an Old Chest at the start of each floor.	3
It Hurts	5.100.560		No it doesn't...	Releases a ring of tears and increases tears for the current room when Isaac takes damage.	1
Jupiter	5.100.594		You're a gas giant!	+2 red Heart containers, -0.3 speed. Isaac builds speed while standing still, and releases poison gas clouds when he moves with increased speed.	3
Keeper's Kin	5.100.717		Under a rock	Rocks and props spawn spiders over time while in a room with enemies, and spawn two blue spiders when destroyed.	2
Keeper's Sack	5.100.716		Spending power	Gives range, speed, or damage when buying things from a shop. Also spawns three coins and a key on pickup.	3
Knife Piece 1	5.100.626		???	Combined with Knife Piece 2, creates a knife familiar that damages enemies and can open the door to the Corpse.	0
Knife Piece 2	5.100.627		???	Combined with Knife Piece 1, creates a knife familiar that damages enemies and can open the door to the Corpse.	0
Knockout Drops	5.100.637		They pack a punch!	Adds a chance to shoot a fist tear that has extremely high knockback and confuses enemies.	3
Lil Abaddon	5.100.679		Abyssal friend	Spawns a familiar that charges a miniature Maw of the Void attack while Isaac shoots.	3
Lil Dumpy	5.100.615		Puffy buddy	Gives Isaac a Dumpy familiar that, when it takes damage, pushes/stuns/poisons nearby enemies and flies in a random direction.	0
Lil Portal	5.100.681		It hungers	A familiar that flies forward, consuming pickups in its path. Each one will increase its size and damage and spawn a Blue Fly. Every four pickups, it opens a portal that leads to an unexplored room.	1
Lodestone	5.100.617		Magnetizing tears	Gives Isaac the chance to fire tears that magnetize enemies they hit, causing them to attract nearby pickups and enemies, as well as tears/shots from all sources.	3
Lost Soul	5.100.612		Protect him	Gives Isaac a soul familiar that dies in one hit, respawning at the start of the next floor. If it survives an entire floor, it rewards Isaac with hearts or items.	2
Luna	5.100.589		The moon's blessing shines upon you	Adds an extra Secret Room and Super Secret Room to each floor. Secret Rooms contain a beam of light that increases tears for the current floor and give soul hearts.	2
Mars	5.100.593		Double tap dash	Dash by double-tapping the movement key, becoming invulnerable and damaging enemies. There's a short cooldown before Isaac can dash again.	2
Member Card	5.100.602		Exclusive access!	Adds a trapdoor to every shop that leads to a second shop with a unique stock and marked up prices.	1
Mercurius	5.100.590		Speed up + you feel elusive	+0.4 speed. Doors stay open after entering a room, even in rooms with enemies.	3
Monstrance	5.100.574		Purifying light	Isaac gains an aura that deals damage to enemies inside it.	2
Montezuma's Revenge	5.100.680		Oh no...	While firing, Isaac charges up a short-ranged Brimstone-like diarrhea beam that shoots behind him.	3
Mucormycosis	5.100.553		Spore shot	Gives Isaac the chance to fire spore tears that stick to enemies and blow up after a few seconds, dealing damage and poisoning nearby enemies and releasing more spores.	3
Nancy Bombs	5.100.563		Random blast +5 bombs	+5 bombs. Bombs explode with a random bomb effect.	1
Neptunus	5.100.597		Open the floodgates	While not firing, Isaac builds a massive tears bonus over 3 seconds. The tear bonus falls off rapidly as Isaac fires.	3
Ocular Rift	5.100.606		Stare into the abyss	Gives Isaac the chance to fire tears that create rifts where they land, which damage nearby enemies and pull in enemies, pickups, and tears/shots from all sources.	3
Options?	5.100.670		There might be options	If a room gives a reward when cleared, there will be two different rewards to chose from. Taking one causes the other to disappear.	2
Orphan Socks	5.100.571		Speed up + your feet feel stronger	Prevents creep and floor spikes from damaging Isaac. Also gives Isaac +0.3 speed and 2 soul hearts.	1
Paschal Candle	5.100.567		Keep the flame burning	Gives Isaac a tears bonus based on how many consecutive rooms he's cleared without taking damage.	3
Playdough Cookie	5.100.570		Tasty rainbow	Grants multicolored tears. Each color comes with a different status or tear effect.	3
Pluto	5.100.598		Size down	Significantly shrinks Isaac, allowing him to squeeze between objects and makes some enemy shots pass over him. Also gives +0.7 tears.	3
Psy Fly	5.100.581		Flamboyant protector	Spawns a fly orbital familiar that chases and deflects enemy shots and converts them into homing tears.	3
Purgatory	5.100.634		Help from beyond	While in a room with enemies, spawns cracks on the ground. Walking over these cracks summon ghosts that launch themselves at enemies and explode.	2
Quints	5.100.661		They lurk inside	Killing enemies spawns a stationary shooting familiar where they died for the current room.	1
Red Stew	5.100.621		Full HP + temporary DMG up	Refills all heart containers. Grants an enormous damage boost that wears off over time.	0
Redemption	5.100.673		Deliver me from evil	Gives Isaac a soul heart and +1 damage if he goes into a Devil Room but doesn't take anything from it.	2
Revelation	5.100.643		Awaken your faith	Allows Isaac to charge a holy laser by continuously firing for 2.5 seconds, then releasing the fire buttons. Also gives Isaac flight and 2 soul hearts.	4
Rock Bottom	5.100.562		It's only up from there	Locks Isaac's attributes to their highest values reached.	2
Rocket in a Jar	5.100.583		Rocket propulsion +5 bombs	+5 bombs. If Isaac is currently moving, placing a bomb will instead shoot a fast-moving, explosive rocket in the direction he's facing.	2
Rotten Tomato	5.100.618		Delicious!	Adds a chance to fire tears that Mark enemies. Marked enemies are attacked by other enemies.	1
Sacred Orb	5.100.691		Destined for greatness	Prevents low-quality items from spawning, greatly increasing the quality of items received from all items pools.	4
Salvation	5.100.696		Divine protection	Gives Isaac a halo that summons beams of light on enemies inside it. The halo grows larger the more times Isaac has taken damage this floor.	2
Sanguine Bond	5.100.692		He awaits your offering	Spawns a special set of spikes in the Devil Room. Taking damage from the spikes has a chance to grant a reward.	1
Saturnus	5.100.595		Ring of tears	Upon entering a room, a circle of tears orbits Isaac. Enemy tears have a chance to be caught in orbit, turning them friendly.	1
Sausage	5.100.669		All stats up	Adds a Red Heart container, and increases speed, damage, tears, range, shot speed, and luck.	3
Sol	5.100.588		Radiant victory	Reveals the location of the Boss room. Upon defeating a boss, activates XIX - The Sun, fully recharges Isaac's active item, and grants bonus damage and luck for the rest of the floor.	2
Soul Locket	5.100.686		Power of faith	Gives Isaac a permanent stat boost whenever he picks up a soul heart.	2
Spirit Shackles	5.100.674		Unfinished business	On death, Isaac's ghost is chained to his dead body and he can continue to fight with 1/2 of a heart, returning to life after 10 seconds. Must be recharged by picking up a soul heart.	3
Spirit Sword	5.100.579		Divine blade	Instead of tears, Isaac swings a sword. Charging does a spin attack and fires a projectile, and a projectile is sometimes fired with normal swings if Isaac has no empty red hearts.	3
Stapler	5.100.708		DMG up	+1 damage. Prevents Isaac from firing tears from one eye, like Cain.	3
Star of Bethlehem	5.100.651		Follow the light	Spawns a star familiar that slowly travels towards the Boss Room, giving an aura that increases damage and tears and grants homing.	2
Strawman	5.100.667		A helping hand	Spawns Keeper to fight enemies alongside Isaac. If Keeper dies, he spawns blue spiders and Strawman is removed from Isaac's inventory.	2
Supper	5.100.707		HP up	Grants one Red Heart container and heals for one extra heart.	1
Terra	5.100.592		Born to rock	Replaces tears with rocks that deal variable damage, have increased knockback, and can destroy obstacles.	3
The Intruder	5.100.575		Invasive friend	A familiar burrows in Isaac's head, firing 4 slowing tears. Upon taking damage, there's a chance it will burst out of Isaac's head, spawning blue spiders and chasing enemies for the current room.	3
The Stairway	5.100.586		May you get what you came for	Generates a ladder at the start of every floor that leads to a unique Angel Room shop.	3
The Swarm	5.100.693		Infest	Spawns nine orbital flies, which turn into Blue Flies after they block a shot. Each time a room is cleared, spawns another orbital fly.	2
Tinytoma	5.100.645		Itching for revenge	Gives Isaac a Teratoma orbital that blocks shots, deals contact damage, and splits into smaller versions of itself upon taking damage. The smaller versions break into blue spiders.	1
TMTRAINER	5.100.721		ZZaZZ ZZdZZiZZmZZhZZ ZZvZZ ZZoZZ ZZ ZZsZZlZZhZZsZZoZZaZZiZZ	Causes all future items to be "glitched", granting them completely random effects.	2
Tooth and Nail	5.100.663		You feel prickly	Isaac periodically turns into a spiked statue, briefly becoming invulnerable and dealing contact damage.	2
Tropicamide	5.100.659		Tear size + range up	+1.5 range, Increases tear size.	1
Twisted Pair	5.100.698		Double trouble!	Gives Isaac two familiars that stand by Isaac's side and fire tears that use Isaac's tears, range, shot speed, and tear effects and scale with Isaac's damage.	4
Uranus	5.100.596		Ice tears	Isaac shoots ice tears, which slow enemies and freeze monsters they kill. Frozen enemies slide away and explode into ice shards when touched.	3
Vanishing Twin	5.100.697		He wants revenge	Spawns a familiar that becomes a clone of the floor's boss when entering the boss room. Defeating it drops an extra item.	3
Vasculitis	5.100.657		Clogged enemies	Enemies explode into tears upon death, which inherit the effects of Isaac's tears.	2
Vengeful Spirit	5.100.702		Hot blooded	After taking damage, spawns an orbital wisp that lasts for the entire floor, up to a maximum of six. They fire tears but do not block shots.	2
Venus	5.100.591		HP up + you feel pretty	Adds one red Heart container. Enemies near Isaac become charmed.	1
Voodoo Head	5.100.599		Extra curse rooms	Spawns an additional curse room on each floor.	1
Worm Friend	5.100.682		Clingy buddy	Gives Isaac a nerve ending familiar that burrows out of the ground to grab and deal damage to enemies over time.	2

Trinkets

Name	ID	Icon	Quote	Description
'M	5.350.138		t's broken9Reroll your dest	Using an active item rerolls it.
A Lighter	5.350.135		Watch the world burn	Adds a chance for enemies to burn upon entering a room.
Adoption Papers	5.350.184		Give them a home	Shops can sell familiars, which will always be at a discounted price.
Apollyon's Best Friend	5.350.186		Attack buddy	Spawns two attack locust familiars which will fly forward while Isaac shoots.
Apple of Sodom	5.350.140		It feels empty	Picking up red hearts, even while at full health, can convert them into blue spiders. The effect may consume hearts needed for healing.
Azazel's Stump	5.350.162		Unleash your inner demon	When clearing a room, adds a chance to turn into Azazel until clearing another.
Beth's Essence	5.350.182		Virtue's reward	Once per floor, taking damage will spawn a wisp and grants a few seconds of invulnerability. Entering an Angel Room spawns 5 wisps. Giving money to beggars can spawn wisps.
Beth's Faith	5.350.142		My faith protects me	At the beginning of each floor, spawn 4-8 wisps that orbit Isaac and fires tears alongside him.
Blessed Penny	5.350.131		Wealth of purity	Gives a chance to drop a Half Soul Heart when a coin is collected.
Blue Key	5.350.150		Look between the rooms	Doors can be unlocked without using keys. Opening a door this way brings Isaac to an in-between room that resembles ???, with a few monsters.
Brain Worm	5.350.144		Ding!	Tears snap 90 degrees to target enemies that they may have missed.
Broken Glasses	5.350.187		Double vision?	Gives a 33% chance to add a '?' item to Treasure Rooms. Only one item can be taken. The extra items on the alt path are revealed instead.
Broken Padlock	5.350.136		Bombs are key	Locks can be opened with explosions.
Broken Syringe	5.350.132		Mystery medicine	Grants a chance to gain a random syringe effect for the current room.
Charged Penny	5.350.147		Wealth of power	Picking up coins has a chance to give an Active Item charge.
Chewed Pen	5.350.130		It's leaking	Adds a chance to fire tears that slow enemies.
Cricket Leg	5.350.185		Infested	Adds a chance to spawn a random locust when killing an enemy.
Crystal Key	5.350.170		Call to the other side	Adds a chance to automatically create Red Key rooms after clearing a room.
Cursed Penny	5.350.172		Wealth of misery	Picking up coins teleports Isaac to a random room.
Devil's Crown	5.350.146		His special customer	Treasure Rooms are replaced with unique Red Treasure Rooms, offering a Deal with the Devil in place of an item.
Dice Bag	5.350.154		Bonus roll	When Isaac enters a new room, has a chance to give him a Dice item as a consumable for the current room.
Dingle Berry	5.350.163		Oops!	Spawns two friendly Dips upon clearing a room.
Expansion Pack	5.350.181		Fun extras	Using an active item triggers another random active item effect.
Flat File	5.350.151		No more spikes	Causes all spikes to retract, making them harmless. Also affects the doors to Curse Rooms.
Forgotten Lullaby	5.350.141		Sing for your friends	Improves the fire rate of Isaac's familiars.
Found Soul	5.350.180		Finally!	Spawns a familiar that copies Isaac's movements and scales with damage and tears. If it takes damage, it will die and respawn on the next floor.
Friendship Necklace	5.350.148		Gather round	Causes familiars to orbit Isaac.
Gigante Bean	5.350.134		Mega farts	Increases the size of Isaac's farts.
Gilded Key	5.350.159		Less is more	Replaces all new chests, except Mega Chests, with Locked Chests.
Hollow Heart	5.350.168		A brittle blessing	Grants an empty bone heart upon entering a new floor.
Holy Crown	5.350.155		Walk the path of the saint	A Treasure Room and Shop appears in the Cathedral.
Ice Cube	5.350.188		Stay frosty	Adds a chance to petrify enemies when entering the room. Killing the petrified enemy freezes it.
Jawbreaker	5.350.129		Don't chew on it	Adds the chance to fire teeth that deal 3.2x damage, similar to Tough Love.
Keeper's Bargain	5.350.171		Money talks	Devil Deals cost money instead of health.
Kid's Drawing	5.350.169		Looks familiar...	While held, counts towards the Guppy transformation.
Lil Clot	5.350.176		Mini friend	Spawns a clot familiar that mimics Isaac's movements and tears. It dies for the current room after taking too much damage.
Lucky Sack	5.350.160		Free goodies!	Spawns a Grab Bag upon traveling to the next floor.
Modeling Clay	5.350.166		???	Grants the effect of a random passive Item each room.
Mom's Lock	5.350.153		A piece of her love	Grants the effects of a random Mom item each room.
Mother's Kiss	5.350.156		HP up	Grants one heart container.
Myosotis	5.350.137		Forget me not...	When entering a new floor, up to four uncollected pickups from the previous floor spawn in the starting room.
Nuh Uh!	5.350.165		Don't want!	Replaces keys and coins that spawn in Chapter 4 and beyond with more useful pickups.
Number Magnet	5.350.174		6	Increases the chance of earning a Devil Room by 10%.
Old Capacitor	5.350.143		Voltage starving	Active items don't charge when clearing rooms. Adds a chance to spawn a Lil' Battery when clearing a room, independent of the room's original drop.
Panic Button	5.350.149		Push in case of emergency	Activates Isaac's active item upon taking damage.
Perfection	5.350.145		Luck way up. Don't lose it!	+10 Luck. If Isaac takes damage, the trinket is destroyed and its effect is removed.
Polished Bone	5.350.167		Friends from beyond	After clearing a room, adds a chance to spawn a friendly Bony.
RC Remote	5.350.179		Controllable buddies!	Instead of trailing behind Isaac, familiars are directly controlled by the same inputs as Isaac's.
Ring Cap	5.350.164		Twice the bang!	Spawns one extra bomb for each bomb placed for free.
Short Fuse	5.350.133		Faster explosions	Bombs placed by Isaac explode more quickly.
Sigil of Baphomet	5.350.189		Revel in death	Grants an invulnerability shield for 1 second after killing an enemy.
Strange Key	5.350.175		What could it open?	Unlocks the passageway to ??? and the Hush fight, regardless of the run duration. Using Pandora's Box grants it a special effect, consuming the key.
Swallowed M80	5.350.178		Bang!	Isaac explodes upon taking damage.
Teardrop Charm	5.350.139		It feels lucky	Luck-based tear effects have a higher chance of occurring.
Telescope Lens	5.350.152		Seek the stars	Increases the chance for Planetariums to spawn, adds a chance for a second Planetarium to spawn, and allows Planetariums to spawn in Chapter 4.
Temporary Tattoo	5.350.177		You feel braver	Spawns a chest after clearing a mob Challenge Room, or an item after clearing a boss Challenge Room.
The Twins	5.350.183		I'm seeing double...	Adds a chance to duplicate one of Isaac's familiars when entering a new room.
Torn Card	5.350.157		Death awaits	Adds a chance to shoot an Ipecac + My Reflection tear.
Torn Pocket	5.350.158		A hole in your pocket	Upon taking damage, Isaac drops all of his Pickups.
Wicked Crown	5.350.161		Walk the path of the wicked	A Treasure Room and Shop appears in Sheol.
Your Soul	5.350.173		Give it to me	Can be used to pay for a Devil deal without losing hearts, and is then consumed.

Pickups

Hearts

Heart	ID	Image	Worth	Additional Info	Unlocked By
Rotten Heart	5.10.12			Rotten Hearts fill up one whole heart container, or the rightmost Red Heart if all of Isaac's heart containers are full. (It isn't possible to have one-half a Rotten Heart; they are always depleted in one hit.) Each Rotten Heart in Isaac's life bar spawns two Blue Flies upon clearing a room.	Enter the Corpse for the first time

Coins

Coin	ID	Image	Worth	Additional Info	Unlocked By
Golden Penny			1	Spawns another golden penny in a random spot in the same room after being picked up, but has a 5% chance of disappearing instead.	Defeat Mega Satan as Tainted Keeper

Bombs

Bomb	ID	Image	Worth	Additional Info	Unlocked By
Golden Troll Bomb	4.18		0
Giga Bombs	5.40.7		1
Throwable Bomb	5.41		0

Antibirth

• Red Bombs

Monsters

Bosses

Antibirth

Normal Path

• Baby Plum: A giant Red Boom Fly that flies around the room spitting blood shots. Appears in Chapter 1.

Downpour

• Wormwood: A giant Leech that can create holes in the floor and launch itself through walls. Appears in Downpour, as well as Dross with

n alternate dark green palette.

• Lil Bub (Formerly known in Antibirth as Beelzeblub): A drowned version of The Duke of Flies that spits Small Leeches instead of flies. Appears in Downpour and Dross.
• The Rainmaker: A humanoid ghost that pirouettes around and controls the water in the room. Appears in Downpour.

Mines

• Hornfel: A small humanoid demon that rides in a Minecart, traveling through doors and throwing variants of bombs, while backed by some other enemies in Minecarts. Appears in the Mines.
• Great Gideon: A giant grimace that cannot be killed under normal circumstances. Instead, it summons waves of enemies that must be cleared out, while firing at Isaac as well. Appears in the Mines.
• Reap Creep: A giant Wall Creep who takes elements from three of the enemy's variants. It sticks to the top wall and attacks Isaac while moving around. Appears in the Mines.
• Tuff Twins: A pair of armored versions of Larry Jr. who must be rendered vulnerable by using explosives against them. Appears in the Mines.

Mausoleum

• The Pile: A skeletal version of Polycephalus that spawns Bonies, and can pop in and out of the ground and appear in random parts of the room each time. Appears in the Mausoleum.
• The Siren A boss that appears in the Mausoleum

Corpse

• Rotgut: A mouth in the ground that has a variety of bullet attacks, spawns monsters and then when killed. Sucks you into it, and then you fight a stationary maggot that fires projectiles at you and Brimstone lasers. When killed you finally fight a rotten Mom's Heart that acts similar but is more deadly. Appears in the Corpse.
• The Witness (May be renamed): an undead version of Mama Gurdy that acts as the only boss of the Corpse's second floor, and the final boss of the alternate path.

New

Clog

• Fires poop spiral shots.
• Spawns rolling Dross Dips.
• Shoots out 3 lines of waves, similarly to The Cage but with fart appearance. These waves spawn poops and corny poops.
• Creates a whirlpool that moves objects around him in a spiral pattern.
• Upon death, gets "flushed" by an unknown source and spirals downwards until he disappears.

Min Min

• A variant of The Husk with an unknown first phase. The seen phase greatly resembles the third phase of Isaac. Appears in the Downpour.
• In the second phase, appears as a flaming ghost and moves towards Isaac, summoning a ring of Willo Flies.
• Ducks under the water and creates several light patches around the room. These patches become Willo Flies.

Singe

• A humanoid boss appearing in Ashpit.
• Currently its behavior is unknown.

Bumbino

• A boss version of Bumbo. Appears in Caves and Flooded Caves.
• Swipes at the player, destroying obstacles in his way.
• Slams the ground, creating a rock wave similar to The Cage.
• Charges at the wall, causing rocks to cascade down. He becomes dizzy for a while afterward.

Colostomia

• Liquefied fecal matter in a plastic bag that appears in Dross.

• Has two phases
• Phase 1
  • Fires a Butt Bomb.
  • Jets towards the walls of the room while leaving behind a fart cloud, that can explode in a chain reaction while firing brown shots in a vertical line.
• Phase 2
  • After her health is down to 50% she will pop out of her bag and dive into the water, releasing 8 brown projectiles in all directions.
  • Occasionally toots and make a fart cloud.
  • Will spit out two Butt Bombs.
  • Leaves behind slippery and damaging brown creep.

Dogma

• Dogma is always the boss of the floor Home. Home can only be accessed after picking up Dad's Note.

Enemies

Entity	ID	Description
Faceless	264.0	Walks towards Isaac, dealing contact damage. Shoots 6 blood shots in a hexagonal shape.
Tainted Faceless	827.1	Tainted Faceless walk towards towards Isaac while releasing 6 blood shots in a hexagonal shape every few seconds. They essentially behave like Faceless with higher health.
Deep Gaper	241.0	Emerges off the floor once all previous enemies have been killed, then proceeds to chase Isaac like a normal Gaper.
Blurb	241.1	Walks slowly towards Isaac. After taking some damage or getting close to Isaac, it fires a chaotic burst of tears at him and chases him more quickly.
Wraith	241.2	Walks toward Isaac, dealing contact damage. Can only be seen through its reflection and ripples it leaves in the water as it moves.
Rotten Gaper	10.3	Walks toward Isaac, dealing contact damage. Its behavior varies slightly depending on its facial expression.
Level 2 Gaper	284.0	Walks towards Isaac, dealing contact damage. Usually turns into a Level 2 Horf and a Level 2 Gusher upon death.
Dump	310.0	Slides around, leaving trails of Brown Creep. When hit enough, its head comes off while its body spews out brown shots until it empties.
Level 2 Gusher	286.0	Runs aimlessly around the room. Occasionally spits up Small Maggots.
Sub Horf	242.0	Stationary enemy that turns around with each shot. Only fires when hit.
Tainted Sub Horf	242.0	Will only shoot when hit. Takes heavy knockback and rotates when hit. Shoots a lot faster and has bigger projectiles than its normal variant.
Level 2 Horf	285.0	Floating enemy that spits Small Maggots at Isaac.
Army Fly	868.0	Chases Isaac, moving along the cardinal directions. Forms a line with other Army Flies in the room.
Willo	868.1	Forms a circle around Isaac, keeping an exact distance away from him. One Willo at a time will occasionally light up and fire a shot at Isaac.
Fly Bomb	254.0	Flies towards Isaac, circling around him as they do so. Upon death, turns into a tiny Bomb.
Ink	61.3	Flies slowly towards Isaac. Spawns four tar shots in the ordinal directions and leaves black creep upon death.
Tainted Sucker	61.5	Flies towards Isaac. Upon death, shoots 6 large blood shots in a hexagon pattern that become 6 smaller shots upon contact with a wall or obstacle.
Bulb	868.2	Flies in erratic, right-angled movements towards Isaac if his active item has charges.
Bloodfly	868.3	Flies in erratic, right-angled movements towards Isaac. Fires four blood shots in the cardinal directions on death.
Grilled Clotty	15.3	Shoots four flame shots in the cardinal directions at a high speed.
Cloggy	306.0	Shoots four curved brown shots in the cardinal directions alternating clockwise and counterclockwise.
Prey	817.0	Walks around the room, avoiding Isaac. Spawns 2-3 Small Leeches as means of attack.
Fartigan	874.0	Chases Isaac, occasionally coughing up gas. On death, fires an explosive shot that can detonate gas clouds it hits.
Holy Mulligan	22.2	Wanders around the room, avoiding Isaac. Occasionally spawns an Angelic Baby if Isaac gets close to it.
Mullighoul	817.1	Walks around the room, avoiding Isaac and spawning Willos. Spawn 1-2 Willos upon death.
Tainted Mulligan	22.3	Walks around the room, avoiding Isaac and spawning Ring Flies. Spawns a plethora of fly enemies upon death.
Bouncer	822.0	Wanders around the room, avoiding Isaac. If Isaac stays close to one for long enough, it inflates and starts chasing him, gaining a chance to deflect shots and causing it to explode into lingering blood shots on death.
Danny	255.0	Chases Isaac and spits a bunch of rock shots at him when in its line of sight.
Coal Boy	241.4	Walks toward Isaac and fires chaotic bursts of coal at him, some of which may be Coal Spiders.
Small Maggot	289.0	Aimlessly moves around the room, dealing contact damage.
Level 2 Charger	291.0	Slowly moves around the room, charging at Isaac when he gets in its line of sight. Can slowly change its trajectory while charging.
Small Leech	240.0	Chases Isaac continuously, not stopping at walls. Able to swim over gaps.
Tainted Spitty	243.1	Quickly yet aimlessly moves around the room, spurting blood shots out of its back and firing a line of blood shots at Isaac. Sends a ring of blood shots outwards upon death.
Cursed Globin	24.3	Chases Isaac. It splits into 2 goos when destroyed, which become 2 Cursed Globins.
Dragon Fly	25.3.0	Flies around the room diagonally, dealing touch damage. Upon death, they spawn 4 lines of fire in the cardinal directions.
Dragon Fly X	25.3.1	Flies around the room diagonally, dealing touch damage. Upon death, they fire 4 lines of fire in the diagonal directions.
Bone Fly	25.4	Flies around the room diagonally, dealing touch damage. Occasionally fires one bone at Isaac. Upon death, shoots 3 bones.
Tainted Boom Fly	25.6	Flies around the room diagonally, dealing touch damage. Upon death, sends explosions in a cross-shaped marker across the room.
Hard Host	27.3	Stationary enemy that is normally invulnerable. Raises its head up when Isaac gets close, revealing a fleshy stem that can be damaged. Upon raising its head, it will release a line of rocks towards Isaac.
Sticky Leaper	34.1	Jumps to Isaac's position, spewing several tar shots around themselves. Leaves black creep wherever they land.
Pustule	309.0	Stationary enemy that decreases in size when hit, but regenerates to its full size until fully destroyed. Fires Small Maggots when fully swollen.
Pon	840.0	Hops around the room aimlessly, leaving Red Creep wherever it lands, killing their corresponding Brainless Knight upon death.
Gyro	260.0	Rolls around like a wheel. Charges at Isaac when he is in line of sight.
Grilled Gyro	261.0	Rolls around like a wheel quite quickly. Charges at Isaac when he is in line of sight.
Vis Versa	39.4	Randomly wanders around the room. Pauses to charge and fire a homing Brimstone laser when Isaac gets in its line of sight.
Evis	39.5	Randomly wanders around the room. Pauses to charge and launches a string of guts when Isaac gets in its line of sight.
Cyst	298.0	Attaches itself to a wall or obstacle and rolls around it, shooting 1 blood shot when Isaac is near.
Loose Knight	41.2	Moves erratically around the room, charges toward Isaac when in line of sight. When its health is depleted, it turns into a Brainless Knight and a Pon.
Brainless Knight	41.3	Moves erratically around the room, charges toward Isaac when in line of sight.
Whipper	274.0	Utilises a whip to target Isaac.
Snapper	275.0	Utilises a long whip to target Isaac.
Strider	245.0	Erratically moves towards Isaac and deals touch damage.
Swarm Spider	320.0	Erratically moves towards Isaac and deals touch damage.
Rock Spider	251.0	Erratically moves towards Isaac and deals touch damage, though a bit slower in comparison to Spiders.
Tinted Rock Spider	252.0	Erratically moves towards Isaac and deals touch damage, though a bit slower in comparison to Spiders.
Coal Spider	253.0	Erratically moves towards Isaac and deals touch damage, though a bit faster in comparison to Spiders.
Butt Slicker	313.0	Drags its self towards Isaac, leaving black creep. Sticks to other Butt Slickers, and creates a ring of black shots when breaking off. This ring gets bigger the more Butt Slickers attached.
Peeping Fatty	277.0	Slowly walks towards Isaac with two indestructible eyeballs that are out of their sockets but attached by the muscles. Occasionally farts and shoots 6 blood shots in all directions.
Bloaty	314.0	Lumbers around, periodically spits green creep in front of itself or diagonally. Occasionally spits out a bunch of green shots.
Bubbles	237.0	Walks towards Isaac and occasionally farts. Spawns a geyser of water shots upon death.
Shady	888.0	Fires a black and red shot at Isaac that may spawn other shots nearby. Upon colliding with an obstacle, the shot will burst into a cloud of smaller ones. Shadies ay also jump, causing explosions in the cardinal directions.
Quakey	259.0	Attempts to jump on Isaac, shooting out 8 rock shots when it hits the ground.
Migraine	215.0	Crawls around the room erratically, following Isaac and dealing touch damage. Can jump small distances. Releases multiple Troll Bombs upon death.
Big Corn	217.3	Quickly dashes in random directions, dealing contact damage. Shoots one piece of corn upon death.
Drip	304.0	Quickly rolls around towards Isaac, dealing contact damage.
Splurt	305.0	Dashes towards the player twice and deals contact damage.
Holy Bony	227.1	Wanders around the room and throws a bone surrounded by blue flame at Isaac when he is in sight.
Soy Creep	240.1	Slowly crawls along walls to try to line up with Isaac and shoots a stream of shots seemingly affected by Soy Milk.
Tainted Soy Creep	240.3
Mole	829.0	Burrows towards Isaac and jumps out the ground to fire 3 blood shots at him.
Tainted Mole	829.1	Dig towards Isaac and release a ring of rock waves. Fires 3 blood shots at Isaac 4 times.
Polty	247.0	Picks up and throws pots and rocks at Isaac.
Quake Grimace	804.0	Stationary and invulnerable monster that jumps and fires a line of rocks in one direction upon landing.
Bomb Grimace	809.0	Stationary and invulnerable monster that keeps a single Throwable Bomb spawned.
Grudge	312.0	Quickly slides towards Isaac when he gets in its line of sight. Cannot be destroyed.
Needle	316.0	Pops out of the ground and lunges towards Isaac, dealing contact damage.
Pasty	317.0	Pops out of the ground and lunges toward Isaac, dealing contact damage and firing four shots in the ordinal directions.
Fissure	815.0	Jumps out of pits and bounces around the room. Spawns endlessly from pits until room clear. Do not need to be killed to clear room.

Antibirth

All enemies from Antibirth may return, with a few receiving slight edits. The following, however, are confirmed to be in the game by official ingame reveals:

Normal Path

• Soi Creep: Crawls along walls to try to line up with Isaac and rapidly fires white tears in a straight line.
• Grilled Clotty: A flaming variant of Clotty that fires 4 shots in cardinal directions quicker. Unlike Antibirth, the shots are now fully straight in cardinal directions.
• Coal Spider: A variant of Rock Spider that leaves out persisting coal that can damage Isaac upon death. Found in the Burning Basement, Mines, and Ashpit.

• Downpour:
  • Blurb: Spits out a cluster of shots when Isaac gets close and then follows like a regular Gaper.
  • Small Leech: Chases the player.
  • Wraith: Invisible except for in the water's reflection.
  • Tidal Gaper: Pops out from the water when all enemies in a room are defeated.
  • Prey: A submerged Mulligan that spawns Small Leeches.
  • Bubbles: A drowned Fatty that occasionally farts out tears. When killed, it causes a large cluster of tears similar to Tube Worm's to come raining down from the sky.
  • Willo: A firefly that orbits around Isaac, periodically firing a fiery tear at him.
  • Polty: A ghost that pops out of a bucket when the player is nearby and lifts obstacles like Buckets and Rocks, throwing them at the player.
  • Sub Horf: A drowned Horf whose head rotates while firing tears when damaged.
  • Strider: An aquatic Spider that glides across the water.
  • Mullighoul: A ghost Mulligan that floats away from the player and spits out Willos, and spawns Willos on death.
• Mines:
  • Bomb Grimace: Spits out Red Bombs that the player can throw in the room.
  • Quake Grimace: Fires rock waves periodically even after the room is cleared.
  • Mole: Slowly digs underground towards Isaac. When they get close, they pop up and fire three blood shots at Isaac.
  • Faceless: Wanders and fires tears in six directions. If Isaac gets close, it will start chasing him.
  • Hard Host: Stationary enemy that is normally invulnerable. Raises its head when Isaac gets close, revealing a fleshy stem that can be damaged. After a short delay, it slams its head down, sending a rock wave towards Isaac.
  • Bouncer: Runs away from Isaac. If Isaac gets close, its head inflates and it starts chasing Isaac. Releases a chaotic burst of red shots upon death.
  • Rock Spider: Skitters towards Isaac when he's close and may turn into a normal Spider upon death.
  • Gyro: Rolls around aimlessly. If Isaac gets close, it starts rapidly rolling towards him.
  • Grilled Gyro: Rolls around aimlessly. If Isaac gets close, it starts rapidly rolling towards him and leaves fires on the ground.
  • Dragon Fly: Flies around the room diagonally. Upon death, it releases fire in either the cardinal or diagonal directions, depending on the appearance of its eyes.
  • Pon: Hops around the room, leaving pools of damaging red creep.
  • Ink: Chases Isaac. Fires 4 black diagonal shots and leaves black creep upon death.
  • Danny: Walks towards Isaac periodically firing several rocks towards him, some of which may be rock spiders.
  • Coal Boy: Walks towards Isaac, periodically firing several hot rocks towards Isaac, some of which may be Coal Spiders. Hot coals linger and can hurt Isaac.
• Mausoleum:
  • Loose Knight: Acts like a regular Knight, however upon death it spilts into a Pon and an Empty Knight.
  • Empty Knight: Acts like a regular Knight but it can not be killed, unless the Pon that it corresponds with is killed.
  • Whipper: Walks around the room idly. Charges at the player if it sees them, and whips them if they get too close.

Four Souls

Repentance features new enemy variants originally exclusive to the card game The Binding of Isaac: Four Souls:

• Holy Bony: A large Bony appearing in the Cathedral. It throws glowing blue bones that explode on landing, creating small patches of blue fire.
• Holy Mulligan: A Cathedral-exclusive Mulligan variant that spawns Angelic Babies.

New

Basement

• Army Fly: A green variant of Attack Fly that moves in a single file along with other green flies.
• Bulb: A yellow variant of Pooter that moves erratically and steals charges from Isaac's active item. Appears in the Mines and Treasure Rooms as well as the Flooded Caves.
• Swarm Spider - A Swarm Fly variant of Spiders.

Flooded Caves

• Needle - A mini version of Pin.

Downpour

• Bloaty: A new variant of Fatty that vomits green creep and leaves a puddle of it upon death.
• Fissure: A skull enemy that bounces along the floor, using pits to warp around the room. Their direction can be adjusted by shooting them. Counts as an obstacle, as with Pokies and Grimaces, but can be killed. Cameo from The End is Nigh.

Dross

• Splurt - Dross variant of Squirt that dashes towards the player twice.
• Fartigan - Variant of Mulligan that chases the player and periodically spits out poison gas.
• Poot Mine - A floating enemy that spits out poison gas and explodes upon death.
• Drip - A round Dip variant in Dross that does short rolls randomly around the room. Spawned by Dross Squirts upon death and Clog.
• Big Corn - A variant of corn that shoots a single corn shot at the player upon death.
• Flymaster - A humanoid enemy that floats and chases Isaac. Has Attack Flies surround it, periodically coughing them away to launch them in all directions.
• Cloggy - A new Dross variant of Clotty that shoots four tears which curve around itself.
• Dump - A worm-like enemy that slowly crawls towards Isaac and loses its head when taking a certain amount of damage, both segments leaving brown creep.

Mines

• Migraine - A variant of Level 2 Spider that spawns 3 troll bombs upon death. Also found in the Ashpit.

Ashpit

• A new variant of the Boom Fly.
• An unknown grey monster with a big mouth.
• An unknown flying enemy with an urchin-like head that pushes itself towards Isaac in short bursts.

Dank Depths

• Butt Slicker: A variant of Buttlicker that starts separated but connects with another Butt Slicker as a segment if both collide to each other. Leaves a puddle of black creep on death.
• Sticky Leaper: A Hopper variant. Leaves small puddles of black creep on an ordinary jump, or a large puddle on a high one.

Mausoleum

• Grudge - A variant of the Poky that has a purple-ish tint and a blood-red eye in the middle.

Champions

ID	Appearance	Effect	Drop	Rarity	Notes
24	50px Brown	Trails poop behind it as it walks.	Nothing	Unknown
25	50px Rainbow	Combines the effects of champion types 0, 2, 5, 10, 11, 13 and 17.	A coin, a bomb, a key, a heart, a pill, a card and a trinket.	Unknown

Audio

• The Music is once again composed by Ridiculon.
  • Whilst not being in the official release, a fully updated Antibirth soundtrack may be released by Mudeth as a mod.

Environment

Chapters

• Chapters from Antibirth:
  • Downpour
  • Mines
  • Mausoleum

Dross

• A Sewer-themed alternate floor of Downpour.
• In some rooms, has rushing water that affects Isaac's movement.
• Contains new monsters and new skins of monsters found elsewhere.
• New music

Ashpit

• An alternate floor of the Mines.
• Contains a blowing dust storm effect

Gehenna

• An alternate floor of the Mausoleum

Home

• A new floor added in the DLC.
• Can be reached by putting a "The Polaroid" or "The Negative" onto a door at the starting room of Depths II (or alternatives).
• Contains a hidden room which can be unlocked by "The Red Key" or "Cracked Key". Unlocking the room can unlock an "tainted" character of the one you are using.

Obstacles

• Obstacles from Antibirth:
  • Buckets
  • Minecarts
  • Red Buttons
  • Teleporters

Rooms

• Planetarium

Changes

The Repentance DLC brings with it many changes to old content in the previous game. For a list of changes, see the V1.06.J787 page.