The Binding of Isaac: Repentance

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This article contains info on upcoming content.
This information was obtained from teasers or unreleased demos and is not representative of the final product. This article will need to be checked for quality and updated once it is released.
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Issues: As this is information relating to unreleased content, there may be more information planned to be released by the developers in the following months.

Repentance is an upcoming expansion to The Binding of Isaac: Afterbirth †. It will likely be around the same price as The Binding of Isaac: Afterbirth.

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

Features[edit | edit source]

The official feature list is yet to be confirmed, but 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 two 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 a new final boss and ending (some from Antibirth)
  • 100+ new enemies
  • 25+ new bosses
  • 2 new playable characters that are characters from Antibirth.
  • 5 new challenges
  • 100+ new achievements
  • 5,000+ new room designs

Playable Characters[edit | edit source]

The following characters will return from Antibirth[1], though it is unknown how similarly they will function to the mod:

Items And Trinkets[edit | edit source]

Activated Collectibles[edit | edit source]



Spin to Win[edit | edit source]

  • Grants a spinning wheel orbital that deals contact damage to enemies while held.
  • Holding spacebar will gradually deplete the charge bar.
  • Grants +0.5 speed when held down, until the charge bar hits zero.
  • Increases speed of orbitals when the spacebar is held down.
  • Has a recharge time of one room.

Vade Retro[edit | edit source]

  • Enemies spawn a stationary ghost familiar on death.
    • Minibosses/Bosses spawn larger versions of stationary ghost familiars.
    • Ghost Suture from Blighted Ovum doesn't spawn a stationary ghost familiar upon death.
  • Ghosts explode on use, dealing damage to adjacent enemies, not Isaac.
    • Enemies killed by explosions turn into ghosts.
  • Has no recharge time and thus can be used infinitely.

Plum Flute[edit | edit source]

  • Drops from Baby Plum if she is still alive after a certain amount of time, at which point she will wave to the player before flying off-screen.
  • Activating it summons Baby Plum to fight alongside you, somewhat like Monstro's Tooth, except she will continuously attack for a few seconds.
  • Has a recharge time of four rooms.

Unknown Rune item

  • Effect unconfirmed. Has a recharge time of four rooms.


  • Single use angel room item, unknown effect.

Passive Collectibles[edit | edit source]

Antibirth[edit | edit source]


Giant Cell[edit | edit source]

  • Every time Isaac takes damage, a familiar is spawned that follows Isaac's movements and fires weak tears when Isaac does.

Tropicamide[edit | edit source]

Vasculitis[edit | edit source]

  • Unconfirmed. Likely causes a random number of blood shots to come from enemies in random directions when killed.

False PHD [2][edit | edit source]

  • Grants 1 Black Heart. Replaces all pills with their worse counterparts.[3] Possibly has other effects.

Dream Catcher[4][edit | edit source]

  • Predicts which item and boss will appear in the upcoming floor during the loading sequences between floors.

Trinkets[edit | edit source]

Antibirth[edit | edit source]


Unknown Heart Locket trinket

  • Effect unconfirmed. Seemingly causes familiars who follow Isaac to orbit him instead.

Unknown Penny trinket

  • Effect not shown.

Pickups[edit | edit source]

Antibirth[edit | edit source]

Entities[edit | edit source]

Bosses[edit | edit source]

Antibirth[edit | edit source]

  • Baby Plum: A giant Red Boom Fly that flies around the room spitting blood shots.
  • Wormwood: A giant leech that can create holes in the floor and launch itself through walls. It also appears in the Dross with an 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. Also appears in the Dross and Boss Challenge Rooms in Downpour.
  • The Rainmaker: A humanoid ghost that pirouettes around and controls the water in the room. Also appears in Boss Challenge Rooms in Downpour.
  • 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.
  • 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.
  • 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.
  • Tuff Twins: A pair of armored Larry Jr.'s who must be rendered vulnerable by using explosives against them.
  • The Witness[5] (Might be renamed)
  • 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. It appears in the Corpse.
  • 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.


Clog[edit | edit source]

  • 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[6][edit | edit source]

  • A variant of The Husk with an unknown first phase. The seen phase greatly resembles the third phase of Isaac. Appears in the Downpour.
  • 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[7][edit | edit source]

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

Bumbino[8][edit | edit source]

  • A boss version of Bumbo. Appears in 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.

Monsters[edit | edit source]

Antibirth[edit | edit source]

All enemies from Antibirth may return[9], with a few receiving slight edits. The following, however, are confirmed to be in the game by official ingame reveals:

  • Main 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 firey 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:

Four Souls[edit | edit source]

  • While unconfirmed, it is possible that Repentance will feature new enemy variants originally exclusive to the card game "The Binding of Isaac: Four Souls".


Basement[edit | edit source]

  • A green variant of Attack Fly that moves in a single file along with other green flies.
  • 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.
  • A Swarm Fly variant of Spiders.

Flooded Caves[edit | edit source]

  • A mini version of Pin.

Downpour[edit | edit source]

  • A new variant of Fatty that vomits green creep and leaves a puddle of it upon death.

Dross[edit | edit source]

  • Dross variant of Squirt that dashes towards the player twice.
  • Variant of Mulligan that chases the player and periodically spits out poison gas.
  • A floating enemy that spits out poison gas and explodes upon death.
  • A round Dip variant in Dross that does short rolls randomly around the room. Spawned by Dross Squirts upon death and Clog.
  • A variant of corn that shoots a single corn shot at the player upon death.
  • Flymaster[10]: A humanoid enemy that floats and chases Isaac. Has Attack Flies surround it, periodically coughing them away to launch them in all directions.
  • A new Dross variant of Clotty.
  • 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[edit | edit source]

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

Ashpit[edit | edit source]

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

Dank Depths[edit | edit source]

  • A new variant of Buttlicker that starts separated but connects with another Buttlicker as a segment if both collide to each other.
  • A new Hopper variant.

Mausoleum[edit | edit source]

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

Audio[edit | edit source]

  • 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[edit | edit source]

Chapters[edit | edit source]

Dross[edit | edit source]

  • 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[edit | edit source]

  • An alternate floor of the Mines.

Obstacles[edit | edit source]

Rooms[edit | edit source]

Changes[edit | edit source]

Modes[edit | edit source]

  • Greed Mode and Greedier Mode now pull from all floors on the main path, and play their respective music (as opposed to always being the main floor using the Afterbirth alt music)
  • Greedier Mode is getting slightly rebalanced according to this tweet by Edmund McMillen [1].

Characters[edit | edit source]

  • Magdalene, Eve and Azazel have received new hair sprites.
  • Apollyon has new stage transition sprites.
  • Magdalene's Speed Up pill is now an HP Up.

Items[edit | edit source]

  • Tears are now properly circular instead of slightly polygonal.
  • The Adrenaline Adrenaline costume effect seems to be more subtle.
  • Items now cast shadows on item pedestals, which is more accurate to how they looked in the Flash version.
  • Marked Marked grants a laser sight to show exactly where Isaac's tears are flying to. This change also applies to Eye of the Occult.
  • Duality Duality merges the numbers of the Devil and Angel deal chances on the Found HUD.
  • Enemies that get hit by a Little Horn Little Horn tear get attacked by Big Horn, which means that the tears are no longer piercing.
  • The Brimstone Brimstone costume has been changed a bit to more closely resemble the flash version.
  • Void Void has a new graphic.
  • Razor Blade Razor Blade now appears to have the shapes of holes in the center.
  • Scissors Scissors now has its blades recolored to look cleaner, as well as now having 4 charges.
  • Farting Baby Farting Baby now has a unique farting animation, as well as being reshaped.
  • Golden Horse Shoe Golden Horse Shoe Shoe is now resprited so that it looks more like a real horseshoe.

Pickups[edit | edit source]

  • Bombs, including Troll Bombs, now have sparks on their fuses when placed.
  • Heart pickups flash red when on the ground.
  • Coins have a new sound effect, which is reused from the Flash version.
  • Keys were given sparkles, similar to their Flash appearance.
  • Pickups sold in Shops now play their idle animation (hearts glow red, keys shine), another visual feature brought back from Flash.

Enemies[edit | edit source]

  • Small Leeches, Blurbs, Bubbles, Preys, and Lil Bub all have greenish reskins in Dross.
  • Sub Horfs can now replace regular Horfs outside Downpour.
  • Crispies and Mr. Mines have a slight face redesign.
  • Monsters now use a unique coloring method loosely based on the overlay system from Antibirth which results in a cleaner looking Champion reskins, as opposed to the whole sprite being tinted a single color.
  • The dirt beneath underground enemies now changes color in real-time to accurately reflect the surface which they travel over.
  • The dirt beneath underground enemies no longer flashes when they take damage.
  • Big Horn has received a complete redesign of sprites.
  • Gushers have bold re-created gushing blood.
  • Fistula appears in The Caves The Caves, its location in the original Binding of Isaac.
  • Dingle, Dangle, Gemini and the Gurglings can now appear in the Burning Basement Burning Basement.
  • Mega Fatty can now appear in the Flooded Caves Flooded Caves

Menus[edit | edit source]

  • The drawings in the main menu are identical to those in Antibirth's.
  • The Black Fly on the Title Screen which has gone unused ever since the initial release of Rebirth has finally been added, and flies away when the player presses a button to enter the save select.

UI[edit | edit source]

  • The health bar flashes upon healing like in the Flash version.
  • The Found HUD has been replaced with Antibirth's implementation of Missing HUD.
  • New curse icons have been added below the minimap, and are multicolored to be more easily identifiable.

Environment[edit | edit source]

  • The Burning Basement has implemented new shaders giving it a cleaner visual look.
  • The color visuals of the Flooded Caves have been changed, also receiving reflections on the floor.
  • The visuals for the Dank Depths have been darkened, and rooms were made to look damp and slathered with tar.
  • The stage transition screen now changes to reflect the current chapter.
  • The starting room displays the keyboard/gamepad controls, similar to the flash version.

References[edit | edit source]

Collectible Broken Modem icon.png Version History Collectible Broken Modem icon.png
Rebirth v0.9, v1.0, v1.01, v1.02, v1.031, v1.032, v1.04, v1.041, v1.05 (Hotfix)

v1.06, v1.06 Hotfix, v1.06.0051, v1.06.0052, v1.06.0059, v1.06.0060, v1.06.0067, v1.06.0076, v1.06.0109

Afterbirth †
v1.06.0180, v1.06.0181, v1.06.0182, v1.06.0183, v1.06.0185, v1.06.0187, v1.06.0188, v1.06.0190, v1.06.0192 (Re-release), v1.06.0193, v1.06.0211
Booster Pack #1 v1.06.J34, v1.06.J39
Booster Pack #2 v1.06.J75, v1.06.J85
Booster Pack #3 v1.06.J99, v1.06.J103, v1.06.J104
Booster Pack #4 v1.06.J113, v1.06.J114, v1.06.J119, v1.06.J127
Booster Pack #5 v1.06.J149, v1.06.J150, v1.06.J168
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