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Burning Basement

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Font TeamMeat B.pngFont TeamMeat u.pngFont TeamMeat r.pngFont TeamMeat n.pngFont TeamMeat i.pngFont TeamMeat n.pngFont TeamMeat g.png   Font TeamMeat B.pngFont TeamMeat a.pngFont TeamMeat s.pngFont TeamMeat e.pngFont TeamMeat m.pngFont TeamMeat e.pngFont TeamMeat n.pngFont TeamMeat t.png

Stage's starting room
(chapter 1)
Table dividing line 1.png
 
Normal and hard modes only 3
 
Normal and hard modes only 1b, 2b
Table dividing line 2.png
 
Added in Afterbirth †Burning Basement Defeat Mom's Heart 11 timesBurning BasementBurning Basement
Added in Afterbirth

The Burning Basement is one of the environments in chapter 1 added in Afterbirth. The theme of the Burning Basement is fire, and most enemies are replaced with burning versions. There are relatively few flying or shooting enemies; most of the enemies are ground-based and rely on contact damage. Rocks have a chance to be replaced with fireplaces.

The Burning Basement's alternate floors are The Basement The Basement and The Cellar The Cellar.

Added in Afterbirth † The Burning Basement is unlocked by defeating Mom's Heart 11 times.

Monsters[edit | edit source]

Monster Description
Frowning Gaper
Frowning Gaper
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
Gaper
Walks towards Isaac, dealing contact damage. Usually turns into a Pacer or a Gusher upon death.
Flaming Gaper
Flaming Gaper
Walks towards Isaac, dealing contact damage. Usually turns into a Pacer or a Gusher upon death.
Gusher
Gusher
Walks aimlessly around the room, occasionally firing short-ranged blood shots.
Pacer
Pacer
Walks aimlessly around the room.
Horf
Horf
Stationary enemy that fires a medium ranged blood shot at Isaac when he gets in range of them.
Pooter
Pooter
Slow-moving fly that occasionally fires single blood shots at Isaac. Does not deal touch damage.
Clotty
Clotty
Randomly wanders around the room, firing 4 blood shots in the cardinal directions.
Clot
Clot
Randomly wanders around the room, firing 4 tar shots in the ordinal directions.
I.Blob
I.Blob
Randomly wanders around the room, firing 8 shots in all directions.
Mulligan
Mulligan
Walks around the room, avoiding Isaac. Upon death, spawns several flies, which can be Black Flies, Attack Flies, or Pooters. Can suicide to explode and launch projectiles in the four ordinal directions while still releasing flies.
Mulligoon
Mulligoon
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 projectiles in eight directions.
Mulliboom
Mulliboom
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
Attack Fly
Red fly that follows Isaac and deals touch damage.
Hopper
Hopper
Slowly hops around the room, dealing touch damage. Can turn into a Flaming Hopper by jumping into fire.
Trite
Trite
Quickly leaps towards Isaac and deals touch damage.
Sack
Sack
Stationary enemy that decreases in size when hit, but regenerates to its full size until fully destroyed. Occasionally spawns Spiders when fully swollen.
Flaming Hopper
Flaming Hopper
Quickly hops around the room, dealing touch damage. Covers a larger distance than the regular Hopper.
Sucker
Sucker
Flies slowly towards Isaac, exploding into 4 shots in the cardinal directions upon death.
Spit
Spit
Flies slowly towards Isaac, firing an Ipecac shot towards Isaac upon death.
Embryo
Embryo
Aimlessly hops around the room, dealing contact damage.
Moter
Moter
Follows Isaac, similar to Attack Flies. Splits into 2 Attack Flies upon death.
Spider
Spider
Erratically moves towards Isaac and deals touch damage.
Walking Sack
Walking Sack
Does not shrink or regenerate. Walks around aimlessly and occasionally spawns Spiders.
Big Spider
Big Spider
Erratically moves towards Isaac and deals touch damage. Splits into two Spiders upon death.
Eternal Fly
Eternal Fly
Invulnerable fly that circles corny poop and various monsters. Turns into a vulnerable Attack Fly after the object or monster it circles is destroyed.
Nest
Nest
Walks around the room, avoiding Isaac while spawning Spiders. Spawns a Big Spider or a Trite upon death.
Baby Long Legs
Baby Long Legs
Runs away from Isaac and frequently spawns Spiders.
Small Baby Long Legs
Small Baby Long Legs
Runs away from Isaac and occasionally spawns Sacks.
Crazy Long Legs
Crazy Long Legs
Chases Isaac, dealing touch damage. Occasionally stops to spit blood shots in 8 directions.
Small Crazy Long Legs
Small Crazy Long Legs
Chases Isaac, dealing touch damage. Occasionally stops to spit blood shots diagonally in 4 directions.
Fatty
Fatty
Slowly walks towards Isaac. Occasionally farts, which pushes Isaac and adjacent enemies away.
Flaming Fatty
Flaming Fatty
Slowly walks towards Isaac. Occasionally farts, which pushes Isaac and adjacent enemies away. Has a chance to leave behind a damaging flame upon death.
Dip
Dip
Slowly dashes in random directions, dealing contact damage.
Wall Hugger
Wall Hugger
Moves around the room like Guts, damaging Isaac by contact. Cannot be destroyed.
Squirt
Squirt
Dashes towards the player and deals contact damage. Spawns 2 Dips upon death.
Ring Fly
Ring Fly
Gathers with any other Ring Flies in the room. These flies orbit around themselves, while following Isaac.
Skinny
Skinny
Slowly walks towards Isaac, leaving short-lasting red creep behind itself.
Crispy
Crispy
Slowly walks towards Isaac, but increases in speed as they take damage. Constantly passively takes damage.
Wall Creep
Wall Creep
Crawls along walls to try to line up with Isaac and shoots three blood shots in a line.
Round Worm
Round Worm
Pops out of the ground in random locations and spits a blood shot at Isaac if he is in sight.
Full Fly
Full Fly
Flies toward Isaac erratically, dealing touch damage. Splits into 6 directional shots upon death.
Ticking Spider
Ticking Spider
Crawls around the room erratically, following Isaac and dealing touch damage. Can jump small distances. Explodes upon death.
Dart Fly
Dart Fly
Flies towards Isaac and attempts to mimic his movements. Deals contact damage.
Roundy
Roundy
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
Swarm Fly
Follows Isaac in large groups and deals contact damage.
Cyclopia
Cyclopia
Walks towards Isaac, dealing contact damage and leaving behind a trail of damaging red creep. Occasionally shoots a blood shot towards Isaac.
Dukie
Dukie
Flies around the room diagonally, occasionally spitting out a Dart Fly.
Ulcer
Ulcer
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.
Degraded Bosses

Bosses[edit | edit source]

Boss The Duke of Flies.png
Boss Larry Jr..png
Boss The Haunt.png
The Duke of Flies Larry Jr. The Haunt
Boss Monstro.png
Boss The Fallen.png
Boss Famine.png
Monstro The Fallen Requires previous entry into a devil room Famine Needs to be unlocked
Boss The Headless Horseman.png
Boss Little Horn.png
Boss Rag Man.png
The Headless Horseman Needs to be unlocked Little Horn Needs to be unlocked Rag Man Needs to be unlocked

Unlockable Achievements[edit | edit source]

  • Basement Boy
    Basement Boy - Beat chapter 1 without taking damage.

Music[edit | edit source]

The track that plays in the Burning Basement is titled Fundamentum.

Binding of Isaac: Afterbirth OST


Mom's Heart  Unlocks Mom's Heart Unlocks Mom's Heart  Unlocks
Added in Afterbirth †
A NooseA NooseDefeat Mom's Heart 3 timesA QuarterA QuarterDefeat Mom's Heart 8 timesA Fetus in a JarA Fetus in a JarDefeat Mom's Heart 9 times??????Defeat Mom's Heart 10 timesEverything Is Terrible!!!Everything Is Terrible!!!Defeat Mom's Heart 5 timesIt Lives!It Lives!Defeat Mom's Heart 11 timesWire Coat HangerWire Coat HangerDefeat Mom's Heart 4 timesIpecacIpecacDefeat Mom's Heart 6 timesExperimental TreatmentExperimental TreatmentDefeat Mom's Heart 7 timesRubber CementRubber CementDefeat Mom's Heart 2 timesDarkness FallsDarkness FallsDefeat Mom's Heart 11 timesSolar SystemSolar SystemDefeat Mom's Heart 3 timesSuicide KingSuicide KingDefeat Mom's Heart 11 timesDemo ManDemo ManDefeat Mom's Heart 9 timesLost BabyLost BabyDefeat Mom's Heart on hard mode as IsaacCute BabyCute BabyDefeat Mom's Heart on hard mode as MagdaleneCrow BabyCrow BabyDefeat Mom's Heart on hard mode as EveShadow BabyShadow BabyDefeat Mom's Heart on hard mode as JudasGlass BabyGlass BabyDefeat Mom's Heart on hard mode as CainWrapped BabyWrapped BabyRemoved in Afterbirth † Defeat Mom's Heart on hard mode as Azazel
Added in Afterbirth † Defeat Mom's Heart on hard mode as Lazarus
Begotten BabyBegotten BabyRemoved in Afterbirth † Defeat Mom's Heart on hard mode as Lazarus
Added in Afterbirth † Defeat Mom's Heart on hard mode as Azazel
Dead BabyDead BabyDefeat Mom's Heart on hard mode as ???-0- Baby-0- BabyDefeat Mom's Heart on hard mode as The LostGlitch BabyGlitch BabyDefeat Mom's Heart on hard mode as EdenFighting BabyFighting BabyDefeat Mom's Heart on hard mode as Samson
Goat Head BabyGoat Head BabyDefeat Mom's Heart on hard mode as LilithBlue WombBlue WombDefeat Mom's Heart 10 timesSuper Greed BabySuper Greed BabyDefeat Mom's Heart on hard mode as KeeperBlue BomberBlue BomberDestroy 10 tinted rocks and defeat Mom's Heart 11 times Pokey MansPokey MansDefeat Mom's Heart 11 timesSmelterSmelterDefeat Mom's Heart or It Lives! on hard mode as ApollyonBurning BasementBurning BasementDefeat Mom's Heart 11 timesMarrowMarrowDefeat Mom's Heart or It Lives! on hard mode as The Forgotten
SmallIsaac.pngChaptersSmallIsaac.png
Chapter 1 Chapter 2 Chapter 3 Chapter 4 Optional Chapter 5 Chapter 6 Endgame
Normal mode only
Hard mode only
Stage The Basement icon.png Stage The Caves icon.png Stage The Depths icon.png Stage The Womb icon.png Stage Sheol icon.png
Sheol


Stage Cathedral icon.png
Cathedral
Stage Dark Room icon.png
Dark Room


Stage The Chest icon.png
The Chest
The Basement The Caves The Depths The Womb
Added in Afterbirth †
Stage The Cellar icon.png Stage The Catacombs icon.png Stage Necropolis icon.png Stage Utero icon.png ??? Stage The Void icon.png
The Cellar The Catacombs Necropolis Utero ??? The Void
Stage Burning Basement icon.png Stage Flooded Caves icon.png Stage Dank Depths icon.png Stage Scarred Womb icon.png
Burning Basement Flooded Caves Dank Depths Scarred Womb
Greed mode only
Added in Afterbirth † Greedier mode only
Stage The Basement icon.png Stage The Caves icon.png Stage The Depths icon.png Stage The Womb icon.png Stage Sheol icon.png The Shop Ultra Greed
The Basement The Caves The Depths The Womb Sheol The Shop Ultra Greed
The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth
Achievements Achievements Attributes Attributes Bosses Bosses TarotCard.png Cards and Runes Challenges Challenges Chapters Chapters
Characters Characters MainPageBabies.png Co-op Items Items Item Pools Item Pools Monsters Monsters Objects Objects
Pickups Pickups Pills Pills Rooms Rooms Seeds Seeds Transformations Transformations Trinkets Trinkets