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 the content 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]

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.
  • 2 characters that may return from Antibirth.
  • New items including but not limited to items from Antibirth.
  • New floors from Antibirth, with at least one new alt floor.

Additions[edit | edit source]

Playable Characters[edit | edit source]

The following characters may 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 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.

Passive Collectibles[edit | edit source]

Antibirth[edit | edit source]


Giant Cell[edit | edit source]

  • Every time Isaac takes damage, spawns a familiar 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.

Unknown Bloody PHD item[2][edit | edit source]

  • Effect unconfirmed.

Unknown Dream Catcher item[3][edit | edit source]

  • Effect unconfirmed. May also possibly be a gulped trinket.

Trinkets[edit | edit source]

Antibirth[edit | edit source]


Unknown Heart Locket trinket

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

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.
  • Lil Bub (Formerly Known In Antibirth As Beelzeblub): A drowned version of The Duke of Flies that spits Small Leeches instead of flies.
  • 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.
  • The Witness[4] (May be renamed)


Clog[edit | edit source]

  • Fires poop spiral shots.
  • Creates a gas field damaging Isaac when he stands in it.
  • Spawns poops around the room.
  • Shoots out 3 lines of waves, similiarily to The Cage but with fart appearance.
  • 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.

Singe[edit | edit source]

  • An unknown boss whose name has been revealed by Edmund McMillen.

Monsters[edit | edit source]

Antibirth[edit | edit source]

All enemies from Antibirth may return[5], with a few receiving slight edits. The following, however, are confirmed to be in the game by official ingame reveals:

  • 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, 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 it and lifts up 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.
  • Mines:

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.

Dross[edit | edit source]

  • Dross variant of Squirt that dashes towards the player twice.
  • Dross variant of Prey with no visible eyes but seems to behave the same.
  • Dross variant of Bubbles with a tongue sticking out but seems to behave the same.
  • Dross variant of Pacer (Chance to be spawned from Blurbs upon death).
  • Variant of Mulligan that chases the player and periodically spits out poison gas.
  • A round Dip variant in Dross that does short rolls randomly around the room. Spawned by Dross Squirts upon death and Clog.
  • Flymaster[6]: A humanoid enemy that floats and chases Isaac. Has Attack Flies surround it.

Dank Depths[edit | edit source]

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

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

Obstacles[edit | edit source]

Changes[edit | edit source]

Modes[edit | edit source]

  • Greedier Mode is getting slightly rebalanced according to this tweet by Edmund McMillen [1].

Characters[edit | edit source]

Items[edit | edit source]

  • Tears are now properly circular instead of slightly polygonal.
  • TheAdrenaline AdrenalineAdrenaline Icon.pngIncreases damage based on how many empty heart containers Isaac has. costume effect seems to be more subtle.
  • Bombs, including Troll Bombs, now have sparks on their fuses when placed.
  • Items now cast shadows on item pedestals, which is more accurate to how they looked in the Flash version.
  • Marked MarkedMarked Icon.pngIsaac will now fire tears automatically directed at a red target on the ground which is controlled by the player. This allows for a full 360 degree tear firing radius. Can be overridden by other tear modifiers such as Mom's Knife or Brimstone. grants a laser sight to show exactly where Isaac's tears are flying to.
  • Duality DualityDuality Icon.pngWhenever a Devil or Angel Room would spawn after defeating a boss, both rooms spawn. Only one can be entered. merges the numbers of the Devil and Angel deal chances on the Found HUD.
  • Enemies that get hit by aLittle Horn Little HornLittle Horn Icon.pngAdds a chance to fire a piercing tear that instantly kills any enemy that it touches. tear get attacked by Big Horn, which means that the tears are no longer piercing.

Enemies[edit | edit source]

  • Monsters now use a unique coloring method loosely based off of the overlay system from Antibirth which results in 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.

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.

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.

References[edit | edit source]

Broken Modem Icon.png Version History Broken Modem Icon.png
Rebirth v0.9, v1.0, v1.01, v1.02, v1.031, v1.032, v1.04, v1.041, v1.05, 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, 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
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