Completion Marks

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Completion marks are earned by completing specific objectives in The Binding of Isaac: Rebirth. As you complete these objectives, the post-it note on the character select screen fills up with Completion Marks. If objectives are completed in Normal mode, the completion marks are solid black. If objectives are completed in Hard mode, the completion marks are outlined in red. If a completion mark is earned in Hard mode without first earning it in Normal mode, the game will count both the normal mark and the Hard mode mark as unlocked.

In Rebirth, Mom's Heart/It Lives is the only boss that has a character-specific co-op baby unlock if you beat it in Hard mode instead of Normal mode, with one exception - 15►Godhead Godhead, which is unlocked by beating every boss in Hard mode with The Lost. Therefore, it is not necessary to earn every Hard mode completion mark to achieve Platinum God, only every Hard mode Heart mark, with The Lost as an exception. In Afterbirth and onward, every other regular character has a co-op baby that can be unlocked for earning all of their completion marks on Hard mode. There are a few additional rewards for completing many or all completion marks.

In Rebirth, there are 6 unique completion marks, and each one comes in two varieties, adding up to 12 marks in total. Afterbirth introduced 3 more, bringing the total to 17, as Greed mode only has one mark. Afterbirth+ introduced 1 more, as well as an additional mark for Greedier mode, bringing the final total to 20. Repentance introduced 2 more, bringing the final total to 24. Each mark has a character-specific unlockable secret associated with it, and there are 6 secrets per character in the base game, while there are 10 in Afterbirth, 12 in Afterbirth+ and 14 in Repentance.

Added in Repentance Tainted versions of characters are the exceptions to the system above, in that they only have 7 character-specific unlocks as opposed to 14. Marks for the timed challenges (Boss Rush and Hush) and main path bosses (Isaac, ???, Satan, and The Lamb) are grouped to give a single secret. Additionally, there are no secrets for beating normal Greed mode, as well as no character-specific unlocks for earning all Hard mode completion marks.

Name Mark Hard mode
Mark
Associated Boss Isaac Isaac
Unlock
Magdalene Magdalene
Unlock
Cain Cain
Unlock
Judas Judas
Unlock
??? ???
Unlock
Eve Eve
Unlock
Samson Samson
Unlock
Azazel Azazel
Unlock
Lazarus Lazarus
Unlock
Eden Eden
Unlock
The Lost The Lost
Unlock
Added in Afterbirth
Lilith Lilith
Unlock
Added in Afterbirth
Keeper Keeper
Unlock
Added in Afterbirth †
Apollyon Apollyon
Unlock
Added in Afterbirth †
The Forgotten The Forgotten
Unlock
Added in Repentance
Bethany Bethany
Unlock
Added in Repentance
Jacob and Esau Jacob and Esau
Unlock
All Non-Tainted Characters
Unlock
All Characters
Unlock
Heart
Heart
Heart - Hard mode
Mom's Heart
or It Lives
Lost Baby Cute Baby Glass Baby Shadow Baby Dead Baby Crow Baby Fighting Baby Begotten Baby Wrapped Baby Glitch Baby -0- Baby Goat Head Baby Super Greed Baby Smelter Marrow Wisp Baby Double Baby None None
Cross
Cross
Cross - Hard mode
Isaac Isaac's Tears A Cross A Bag of Pennies Guillotine The D6 Eve's Bird Foot Bloody Lust Satanic Bible Lazarus' Rags Blank Card Isaac's Heart Rune Bag Keeper holds Wooden Nickel Locust of Wrath Slipped Rib Book of Virtues The Stairway None None
Polaroid
Polaroid
Polaroid - Hard mode
??? The D20 Celtic Cross Cain's Eye The Left Hand Fate Sacrificial Dagger Blood Penny Abaddon Store Credit Mysterious Paper The Body Cambion Conception Deep Pockets Locust of Famine Jaw Bone Blessed Penny Birthright None None
Inverted Cross
Inverted cross
Inverted cross - Hard mode
Satan Mom's Knife Guardian Angel A Bag of Bombs Judas' Tongue Forget Me Now The Razor Blood Rights Daemon's Tail Broken Ankh Book of Secrets The Mind Serpent's Kiss Keeper holds Store Key Locust of Pestilence Pointy Rib Urn of Souls Red Stew None None
Negative
Negative
Negative - Hard mode
The Lamb Missing Poster Maggy's Faith Abel Curved Horn ???'s Soul Black Lipstick Samson's Lock Demon Baby Pandora's Box Mystery Sack The Soul Succubus Karma Locust of Death Brittle Bones Alabaster Box Damocles None None
Brimstone Added in Afterbirth
Brimstone
Brimstone - Hard mode
Mega Satan Cry Baby Red Baby Green Baby Brown Baby Blue Baby Lil' Baby Rage Baby Black Baby Long Baby Yellow Baby White Baby Big Baby Noose Baby Mort Baby Bound Baby Glowing Baby Illusion Baby Mega None
Star
Star
Star - Hard mode
Boss Rush Isaac's Head Maggy's Bow Cain's Other Eye Judas' Shadow ???'s Only Friend Eve's Mascara Samson's Chains The Nail Missing No. Undefined The D100 Immaculate Conception Sticky Nickels Locust of Conquest Divorce Papers Beth's Faith Rock Bottom None None
Hush's Face Added in Afterbirth
Hush's face
Hush's face - Hard mode
Hush Fart Baby Purity D12 Betrayal Fate's Reward Athame Blind Rage Maw of the Void Empty Vessel Eden's Blessing Sworn Protector Incubus Keeper now holds... A Penny! Hushy Hallowed Ground Divine Intervention Vanishing Twin None None
Cent Sign Added in Afterbirth
Cent sign - Greed mode
Added in Afterbirth †
Cent sign - Greed mode
Added in Afterbirth
Ultra Greed Lil' Chest Censer Evil Eye My Shadow Cracked Dice Black Feather Lusty Blood Lilith Key Bum GB Bug Zodiac Box of Friends Rib of Greed Brown Nugget Finger Bone Soul Locket Inner Child None None
Cent Sign Added in Afterbirth †
Cent sign - Greedier mode
Ultra Greedier D1 Glyph of Balance Sack of Sacks Eye of Belial Meconium Crow Heart Stem Cell Bat Wing Plan C Metronome Dad's Lost Coin Duality Eye of Greed Black Rune Dad's Ring Vade Retro Genesis None None
Wrinkled Paper Added in Afterbirth †
Wrinkled paper
Added in Afterbirth †
Wrinkled paper - Hard mode
Added in Afterbirth †
Delirium D Infinity Eucharist Silver Dollar Shade King Baby Dull Razor Bloody Crown Dark Prince's Crown Compound Fracture Eden's Soul Holy Card Euthanasia Crooked Penny Void Book of the Dead Star of Bethlehem Suplex! None None
Wrinkled paper
Added in Repentance
Wrinkled paper - Hard mode
Added in Repentance
Knife Added in Repentance
Knife
Knife - Hard mode
Mother Meat Cleaver Yuck Heart Guppy's Eye Akeldama Eternal D6 Bird Cage Bloody Gust Devil's Crown Tinytoma 'M Lost Soul Blood Puppy Keeper's Sack Lil Portal Bone Spurs Revelation Magic Skin None None
Dad's Note Added in Repentance
Dad's Note
Dad's Note - Hard mode
The Beast Options? Candy Heart A Pound of Flesh Redemption Montezuma's Revenge Cracked Orb Empty Heart Lil Abaddon Astral Projection Everything Jar Hungry Soul C Section Keeper's Box Worm Friend Spirit Shackles Jar of Wisps Friend Finder None None
All Hard Mode Marks Added in Afterbirth
All marks - Hard mode
Added in Afterbirth
(All Above) Buddy Baby Colorful Baby Picky Baby Belial Baby Hive Baby Whore Baby Revenge Baby Sucky Baby Dripping Baby Cracked Baby Godhead Dark Baby Sale Baby Apollyon Baby Bone Baby Hope Baby Solomon's Baby Mega Mush Death Certificate
All marks - Hard mode
Added in Afterbirth †
All marks - Hard mode
Added in Repentance

Name Mark Hard mode
Mark
Associated Boss Added in Repentance
Tainted Isaac Tainted Isaac
Unlock
Added in Repentance
Tainted Magdalene Tainted Magdalene
Unlock
Added in Repentance
Tainted Cain Tainted Cain
Unlock
Added in Repentance
Tainted Judas Tainted Judas
Unlock
Added in Repentance
Tainted ??? Tainted ???
Unlock
Added in Repentance
Tainted Eve Tainted Eve
Unlock
Added in Repentance
Tainted Samson Tainted Samson
Unlock
Added in Repentance
Tainted Azazel Tainted Azazel
Unlock
Added in Repentance
Tainted Lazarus Tainted Lazarus
Unlock
Added in Repentance
Tainted Eden Tainted Eden
Unlock
Added in Repentance
Tainted Lost Tainted Lost
Unlock
Added in Repentance
Tainted Lilith Tainted Lilith
Unlock
Added in Repentance
Tainted Keeper Tainted Keeper
Unlock
Added in Repentance
Tainted Apollyon Tainted Apollyon
Unlock
Added in Repentance
Tainted Forgotten Tainted Forgotten
Unlock
Added in Repentance
Tainted Bethany Tainted Bethany
Unlock
Added in Repentance
Tainted Jacob Tainted Jacob
Unlock
All Characters
Unlock
Heart
Heart
Heart - Hard mode
Mom's Heart
or It Lives
None None None None None None None None None None None None None None None None None None
Cross
Cross
Cross - Hard mode
Isaac Mom's Lock Holy Crown Gilded Key Your Soul Dingle Berry Strange Key Temporary Tattoo Wicked Crown Torn Pocket Nuh Uh! Kid's Drawing The Twins Keeper's Bargain Cricket Leg Polished Bone Expansion Pack RC Remote None
Polaroid
Polaroid
Polaroid - Hard mode
??? None
Inverted Cross
Inverted cross
Inverted cross - Hard mode
Satan None
Negative
Negative
Negative - Hard mode
The Lamb None
Brimstone
Brimstone
Brimstone - Hard mode
Mega Satan Mega Chest Queen of Hearts Gold Pill Black Sack Charming Poop Horse Pill Crane Game Hell Game Wooden Chest Wild Card Haunted Chest Fool's Gold Golden Penny Rotten Beggar Golden Battery Confessional Golden Trinket None
Star
Star
Star - Hard mode
Boss Rush Soul of Isaac Soul of Magdalene Soul of Cain Soul of Judas Soul of ??? Soul of Eve Soul of Samson Soul of Azazel Soul of Lazarus Soul of Eden Soul of the Lost Soul of Lilith Soul of the Keeper Soul of Apollyon Soul of the Forgotten Soul of Bethany Soul of Jacob and Esau None
Hush's Face
Hush's face
Hush's face - Hard mode
Hush None
Cent Sign
Cent sign - Greed mode
Ultra Greed None None None None None None None None None None None None None None None None None None
Cent Sign
Cent sign - Greedier mode
Ultra Greedier The Stars The Lovers Wheel of Fortune The Magician The Emperor The Empress Strength The Devil Judgement The World The Fool The High Priestess The Hanged Man The Tower Death The Hierophant The Sun and the Moon None
Wrinkled Paper
Wrinkled paper
Wrinkled paper - Hard mode
Delirium Spindown Dice Hypercoagulation Bag of Crafting Dark Arts IBS Sumptorium Berserk! Hemoptysis Flip Corrupted Data Ghost Bombs Gello Keeper's Kin Abyss Decap Attack Lemegeton Anima Sola None
Knife
Knife
Knife - Hard mode
Mother Dice Bag Mother's Kiss Lucky Sack Number Magnet Ring Cap Lil Clot Swallowed M80 Azazel's Stump Torn Card Modeling Clay Crystal Key Adoption Papers Cursed Penny Apollyon's Best Friend Hollow Heart Beth's Essence Found Soul None
Dad's Note
Dad's Note
Dad's Note - Hard mode
The Beast Glitched Crown Belly Jelly Blue Key Sanguine Bond The Swarm Heartbreak Larynx Azazel's Rage Salvation TMTRAINER Sacred Orb Twisted Pair Strawman Echo Chamber Isaac's Tomb Vengeful Spirit Esau Jr. None
All Hard Mode Marks
All marks - Hard mode
(All Above) None None None None None None None None None None None None None None None None None Death Certificate

Notes[edit | edit source]

  • Added in Afterbirth As Greed mode is a unique mode separate from Normal or Hard mode, it always appears on the completion note with the red outline otherwise found on Hard mode marks.
    • Added in Afterbirth † This symbol is used to indicate completion of Greedier mode, and the Greed mode symbol is changed to be one without a red outline.
  • While it is possible to fight Mega Satan in the base game, completion marks for defeating him and their respective unlockables are only available in the subsequent DLC.
  • In the base game, 15►Godhead Godhead is unlocked by defeating Mom's Heart, Isaac, ???, Satan, The Lamb, and Boss Rush on Hard mode as The Lost.
  • Some items and trinkets transform Isaac into another character. All completion marks earned in that run from the moment of death onwards will count towards the new character, not the old.
    • 15►Judas' Shadow Judas' Shadow will transform the current character into Dark Judas Dark Judas upon death. Dark Judas is considered the same character as Judas Judas by the game and can earn all of Judas' completion marks.
    • 15►Ankh Ankh will transform the current character into ??? ??? upon death, and Broken Ankh Broken Ankh has a 22.22% chance to transform the current character into ??? upon death.
    • 15►Lazarus' Rags Lazarus' Rags will transform the current character into Lazarus Risen Lazarus Risen upon death. Lazarus Risen is considered the same character Lazarus Lazarus by the game and can earn all of Lazarus' completion marks. The only thing Lazarus Risen can't do is unlock Bethany.
    • Added in Afterbirth Missing Poster Missing Poster will transform the current character into The Lost The Lost upon death if he's already unlocked.
    • Added in Afterbirth †15►Clicker Clicker will transform the current character into a random character upon use.
      • Added in RepentanceWill only transform into a character of the current side (i.e. Tainteds into other tainteds, non-tainteds into other non-tainteds)
  • With Clicker and a reliable method of reaching the I AM ERROR room (like Teleport 2.0 or Undefined, held with a Schoolbag), The Void can be repeated endlessly and cleared with every playable character in a single run.
    • Substituting the item to reach the I AM ERROR room with a Forget Me Now and some method to duplicate it endlessly (like Crooked Penny combined with Glowing Hour Glass to rewind failures), this can be applied to any floor and boss in the game, allowing any completion mark to be obtained with every character in a single run. Moving Box will also be necessary to bring all of the required items with you on each reset.
      • The Boss Rush requires the additional duplication of a Mama Mega! to repeat endlessly.
      • Mega Satan can only be repeated with the addition of other unlimited items that can unlock the door, such as a duplicated Get out of Jail Free Card, Dad's Key, or Mr. ME!, because the key disappears after a single-use. Mega Satan also has a 50% chance of automatically ending the run upon defeat, so it is only recommended to focus on that completion mark after finishing all other possible marks as the desired characters.
      • Completion marks for Satan and The Lamb are still mutually exclusive with completion marks for Isaac (Boss) and ??? (Boss), as well as with The Beast and Mother. This means that a minimum of four runs are required to obtain every character's completion marks using this strategy.
      • This strategy does not work for Greed mode completion marks. While most of the required items can be acquired by exhausting the mode's normal item pools, Moving Box is completely unobtainable (except in the extremely unlikely case that Eden begins with it.) A maximum of 3 Greed mode completion marks can be obtained in a single run using 2 or more items that revive you as a different character, alongside 2 Forget Me Nows and a Schoolbag to hold them.
      • Getting all these items in a single run usually requires the use of a strategy to create infinite items and exhaust the item pool, like Removed in Repentance Blank Card combined with Jera. While this can be time-consuming to achieve in a single run, it can save you a great deal of time and additional runs if you are aiming for 100% completion.
    • Substituting Clicker with items that revive you as another character upon death will allow you to get the extra completion marks for The Lost The Lost, ??? ???, Lazarus Lazarus, and Judas Judas, but will not allow for completion with every character as the Clicker does.


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