The Basement
The Basement is one of the environments in Chapter 1. Unlocked at the beginning of the game, it is considered the easiest of the environments in the game.
The Basement's harder unlockable variants are The Cellar and the
Burning Basement.
Monsters[edit | edit source]
Entity | ID | Description |
---|---|---|
Frowning Gaper![]() |
10.0 | Walks towards Isaac, dealing contact damage. Upon getting near Isaac, it will open its eyes and pursue Isaac faster. Usually turns into a Pacer or a Gusher upon death. |
Gaper![]() |
10.1 | Walks towards Isaac, dealing contact damage. Usually turns into a Pacer or a Gusher upon death. |
Gusher![]() |
11.0 | Walks aimlessly around the room, occasionally firing a short ranged blood shot. |
Pacer![]() |
11.1 | Walks aimlessly around the room. |
Horf![]() |
12.0 | Stationary enemy that fires a medium-ranged blood shot at Isaac when he gets in range of them. |
Pooter![]() |
14.0 | Slow-moving fly that occasionally fires single blood shots at Isaac. Does not deal touch damage. |
Super Pooter![]() |
14.1 | An alternate version of the Pooter that fires 2 shots in a V-formation and does not deal touch damage. |
Clotty![]() |
15.0 | Randomly wanders around the room, firing 4 blood shots in the cardinal directions. |
Clot![]() |
15.1 | Randomly wanders around the room, firing 4 tar shots in the ordinal directions. |
I.Blob![]() |
15.2 | Randomly wanders around the room, firing 8 shots in all directions. |
Mulligan![]() |
16.0 | Walks around the room, avoiding Isaac. Upon death, spawns several flies, which can be Flies, Attack Flies or Pooters. Can suicide to explode and launch four projectiles in the cardinal directions while still releasing flies. |
Mulligoon![]() |
16.1 | Walks around the room, avoiding Isaac. Upon death, spawns a Troll Bomb and fires four shots in the ordinal directions. Can suicide to explode, spawn a Troll bomb, and launch eight projectiles in all directions. |
Mulliboom![]() |
16.2 | Chases Isaac and explodes upon death or upon touching Isaac. The explosion deals a half-heart of damage instead of the regular full heart. |
Attack Fly![]() |
18.0 | Red fly that follows Isaac and deals touch damage. |
Hopper![]() |
29.0 | Slowly hops around the room, doing touch damage. Can turn into a Flaming Hopper by jumping into fire. |
Flaming Hopper![]() |
54.0 | Quickly hops around the room, doing touch damage. Covers a larger distance than the regular Hopper. |
Sucker![]() |
61.0 | Flies slowly towards Isaac, exploding into 4 shots in the cardinal directions upon death. |
Embryo![]() |
77.0 | Aimlessly hops around the room, dealing contact damage. |
Moter![]() |
80.0 | Follows Isaac, similar to Attack Flies. Splits into 2 Attack Flies upon death. |
Spider![]() |
85.0 | Erratically moves towards Isaac and deals touch damage. |
Nest![]() |
205.0 | Walks around the room, avoiding Isaac while spawning Spiders. Spawns a Big Spider or a Trite upon death. |
Baby Long Legs![]() |
206.0 | Runs away from Isaac and frequently spawns Spiders. |
Small Baby Long Legs![]() |
206.1 | Runs away from Isaac and occasionally spawns Sacks. |
Crazy Long Legs![]() |
207.0 | Chases Isaac, dealing touch damage. Occasionally stops to spit 8 blood shots in all directions. |
Small Crazy Long Legs![]() |
207.1 | Chases Isaac, dealing touch damage. Occasionally stops to spit 4 blood shots in the diagonal directions. |
Fatty![]() |
208.0 | Slowly walks towards Isaac. Occasionally farts, which pushes Isaac and adjacent enemies away. |
Blubber![]() |
210.0 | Walks around aimlessly and randomly spews a cluster of blood shots in all directions. Has a chance to turn into a Half Sack when killed. |
Pale Fatty![]() |
210.1 | Slowly walks towards Isaac. Occasionally farts and shoots 6 blood shots in all directions. Has a chance to turn into a Blubber upon death. |
Level 2 Fly![]() |
214.0 | Flies toward Isaac erratically, dealing touch damage. |
Level 2 Spider![]() |
215.0 | Crawls around the room erratically, following Isaac and dealing touch damage. Can jump small distances. |
Dip![]() |
217.0 | Slowly dashes in random directions, dealing contact damage. |
Brownie Corn![]() ![]() |
217.2 | Quickly dashes in random directions, dealing contact damage. |
Wall Hugger![]() |
218.0 | Moves around the room like Guts, damaging Isaac by contact. Cannot be destroyed. |
Squirt![]() |
220.0 | Dashes towards the player and deals contact damage. Spawns 2 Dips upon death. |
Ring Fly![]() |
222.0 | Gathers with any other Ring Flies in the room. These flies orbit around themselves while following Isaac. |
Skinny![]() |
226.0 | Slowly walks towards Isaac, leaving short-lasting Red Creep behind itself. |
Nerve Ending![]() |
231.0 | Static enemy which acts as a meat shield. |
Wall Creep![]() |
240.0 | Crawls along walls to try to line up with Isaac and shoots three blood shots in a line. |
Round Worm![]() |
244.0 | Pops out of the ground in random locations and spits a blood shot at Isaac if he is in sight. |
Psychic Horf![]() |
248.0 | Stationary enemy that fires a homing shot at Isaac when he gets in range of them. |
Full Fly![]() |
249.0 | Flies toward Isaac erratically, dealing touch damage. Releases 6 bullets in all directions upon death. |
Ticking Spider![]() |
250.0 | Crawls around the room erratically, following Isaac and dealing touch damage. Can jump small distances. Explodes upon death. |
Dart Fly![]() ![]() |
256.0 | Flies towards Isaac and attempts to mimic his movements. Deals contact damage. |
Conjoined Fatty![]() ![]() |
257.0 | Slowly walks towards Isaac. Occasionally pauses to fart out a line of damaging Green Creep towards Isaac. Chance to turn into a regular Fatty upon death. |
Roundy![]() ![]() |
276.0 | Pops out of the ground in random locations, creating a small rock wave. Fires an explosive Ipecac shot at Isaac if he is in sight. |
Swarm Fly![]() ![]() |
281.0 | Follows Isaac in large groups and deals contact damage. |
Cyclopia![]() ![]() |
284.0 | Walks towards Isaac, dealing contact damage and leaving behind a short-lasting trail of damaging Red Creep. Occasionally shoots a blood shot towards Isaac. |
Ulcer![]() ![]() |
289.0 | Pops out of the ground in random locations and spawns a Dart Fly if Isaac is in sight. Fires a blood shot after spawning 6 Dart Flies. |
Blue Gaper![]() ![]() |
297.0 | Walks towards Isaac, dealing contact damage. |
Greed Gaper![]() ![]() |
299.0 | Walks towards Isaac, dealing contact damage. |
Stoney![]() ![]() |
302.0 | Chases Isaac and blocks tears, but does not deal contact damage. Temporarily pauses in exhaustion after a certain amount of time. Invulnerable; dies when the room is cleared. |
Ministro![]() ![]() |
305.0 | Hops towards Isaac, occasionally spitting out a cluster of disorganized shots. |
Portal![]() ![]() |
306.0 | Spawns various enemies from the current floor until it either vanishes or is killed. |
Degraded Bosses |
---|
|
Bosses[edit | edit source]
![]() |
|||
Dingle | The Duke of Flies | Gemini | Gurglings |
![]() |
|||
Larry Jr. | Monstro | The Fallen ![]() |
Famine ![]() |
The Headless Horseman ![]() |
Steven ![]() |
Dangle ![]() ![]() |
Little Horn ![]() ![]() |
Rag Man ![]() ![]() |
Turdlings ![]() ![]() |
Baby Plum ![]() |
Unlockable Achievements[edit | edit source]
- Monstro's Tooth - Beat chapter 1.
- Something From The Future - Beat
The Basement 40 times.
- The Cellar - Beat all The Basement bosses (not restricted to beating bosses in The Basement).
- Basement Boy - Beat chapter 1 without taking damage.
Music[edit | edit source]
The music for the Basement is titled Diptera Sonata. Diptera is the order of true flies. Thus, Diptera Sonata literally means "Fly Sonata".
![]() ![]() | ||||||||
---|---|---|---|---|---|---|---|---|
Chapter 1 | Chapter 2 | Chapter 3 | Chapter 4 | Optional | Chapter 5 | Chapter 6 | Endgame | |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() Sheol ![]() Cathedral |
![]() Dark Room ![]() The Chest | ||
The Basement | The Caves | The Depths | The Womb | |||||
![]() |
![]() | |||||||
![]() |
![]() |
![]() |
![]() |
![]() |
![]() | |||
The Cellar | The Catacombs | Necropolis | Utero | ??? | The Void | |||
![]() |
![]() |
![]() |
![]() | |||||
![]() |
![]() |
![]() |
![]() | |||||
Burning Basement | Flooded Caves | Dank Depths | Scarred Womb | |||||
![]() |
![]() |
![]() |
![]() |
![]() | ||||
![]() |
![]() |
![]() |
![]() |
![]() | ||||
Downpour | Mines | Mausoleum | Corpse | Home | ||||
![]() |
![]() |
![]() | ||||||
![]() |
![]() |
![]() | ||||||
Dross | Ashpit | Gehenna | ||||||
![]() ![]() |
![]() |
![]() | ||||||
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() | ||
The Basement | The Caves | The Depths | The Womb | Sheol | The Shop | Ultra Greed |
![]() ![]() | |||||
---|---|---|---|---|---|
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |