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Contents

MenusEdit

Collection page
  • The navigation is faster and loops back on itself when scrolling vertically.
Loading screen
  • Loading images are smoother.

PlayerEdit

CharactersEdit

General
  • Adjusted the stats of each character in the character selection menu to better reflect their actual in-game stats.
  • Adjusted pickup animation so items no longer obstruct Isaac's face.
  • Bloodstains on costumes are now consistently the same color.
Eden
  • Holding R to reset will consume an Eden Token and start a new run.
  • Added 30 hairstyles.
  • Can be randomized if the player has Eden tokens.
Eve
  • Starts with Razor Blade only if it has been unlocked.
  • Leaves a pool of blood behind instead of pee when walking between rooms at low HP.
Lilith

TransformationsEdit

Conjoined
  • Its costume has color alts.
Seraphim
  • Its costume has color alts.
Spun
  • Its costume has color alts.
Yes Mother?
  • Its costume has color alts.

=== Familiars ===c

  • Teleport to the player's new position if it was changed by a boss such as Gurdy or Mom's Heart.
  • Most sources of Blue Spiders throw those spiders out instead of spawning them on the ground.
  • Following familiars are no longer pushed back when very close to the player.

Co-opEdit

  • Co-op babies can no longer drop out while the player is playing a pickup animation.

ItemsEdit

General
  • Mushroom items play their unique pickup sound.

Activated CollectiblesEdit

General
  • Some sprites changed:
Item Old sprite New sprite
The Boomerang    
Box of Spiders    
D20    
D7    
Glass Cannon    
Isaac's Tears    
The Jar    
Jar of Flies    
Mega Blast    
Ventricle Razor    
We Need to Go Deeper!    
  Breath of Life
  • Can be held down between rooms.
  • Added some visual feedback when it provides its invincibility.
  Butter Bean
  • If Isaac swaps Butter Bean for a different active item, then picks up Butter Bean again, it has a small chance to transform into Wait What?.
  D4
  • Re-rolls each of Isaac's passive items into a random item from the specific item pool where it was acquired.
  Diplopia
  • No longer spawns extra items for empty item pedestals.
  Flush!
  • Poops spawned react to damage similarly to regular poops.
  Friendly Ball
  Glowing Hour Glass
  Guppy's Head
  • The number of flies is seeded.
  Head of Krampus
  • Lasers no longer have a chance to rotate.
  The Jar
  • Its sprite changes based on how many hearts it contains.
  Jar of Flies
  • Its sprite changes based on how many flies it contains.
  Mine Crafter
  • Spawns a TNT barrel directly at the player's position rather than on a nearby free tile.
  My Little Unicorn
  • Its costume has color alts.
  Pandora's Box
  Satanic Bible
  • Plays its use animation.
  Shoop Da Whoop!
  • Damage halved to compensate.
  Undefined
  • The Void is reset on exiting the I AM ERROR room, and can be cleared repeatedly as long as the player is able to gather enough charges to successfully warp to it.
  Ventricle Razor
  • Portals will now appear closed if they have no connected portal.
  • Portals got a few minor visual tweaks.

Passive CollectiblesEdit

General
  • Some sprites changed:
Item Old sprite New sprite
<3    
8 Inch Nails    
Abaddon    
Anemic    
Aquarius    
The Belt    
Best Bud    
Black Lotus    
Bob's Curse    
Box    
Brimstone    
Brother Bobby    
Bum Friend    
Caffeine Pill    
Cambion Conception    
Cancer    
Celtic Cross    
The Compass    
Continuum    
Cricket's Head    
Crown of Light    
Cupid's Arrow    
Daddy Longlegs    
Dark Bum    
Demon Baby    
Distant Admiration    
Evil Eye    
Farting Baby    
Forever Alone    
Friend Zone    
Gemini    
Ghost Baby    
Goat Head    
Guppy's Hair Ball    
Habit    
Harlequin Baby    
Holy Water    
Infestation    
Key Bum    
Key Piece 2    
Lil Brimstone    
Lil' Loki    
Lord of the Pit    
Lost Fly    
Lucky Foot    
Magic 8 Ball    
Magneto 96px  
Mitre    
Mom's Contacts    
Mom's Eye    
Mom's Knife    
Money = Power    
The Mulligan    
Multidimensional Baby    
The Peeper    
Pentagram    
Piggy Bank    
Polyphemus    
Proptosis    
Pyro    
Rainbow Baby    
Robo-Baby    
Robo-Baby 2.0    
Rotten Baby    
Sacrificial Dagger    
Sad Bombs    
Sagittarius    
Sister Maggy    
Skeleton Key    
SMB Super Fan    
Spear of Destiny    
Speed Ball    
Spirit of the Night    
Strange Attractor    
Taurus    
Tech.5    
Tough Love    
Whore of Babylon    
  Ball of Bandages
  • Decreased the damage rate of level 3 and 4 to match Cube of Meat.
  The Battery
  • Self-recharging active items can charge the yellow meter, allowing Isaac to use them twice immediately.
  Betrayal
  • No longer triggers if there are less than 2 enemies in the room.
  • Its costume has color alts.
  BFFS!
  • Increases spawner familiar spawn rates.
  Black Candle
  • Makes the darkness from Curse of Darkness fade away instead of immediately lighting the room up.
  The Body
  • Its costume has color alts.
  Bogo Bombs
  • Its costume has color alts.
  Bursting Sack
  • Its costume has color alts.
  Cancer
  • Its costume has color alts.
  Dead Eye
  • The multiplier will no longer be lost when hitting poops or TNT barrels.
  E Coli
  • Poops spawned react to damage similarly to regular poops.
  Eden's Blessing
  • Is now limited to a maximum of 10 to prevent potential crashes.
  Epiphora
  • Being hit, changing rooms, and using items no longer reset the Epiphora bonus.
    • During the delay when transitioning between rooms, picking up an item, or using an active item, it's possible to change firing direction without resetting the bonus.
  Fate
  • Its costume has color alts.
  Fruit Cake
  Gemini
  • Added extra familiar animations.
  Hive Mind
  • The effect also applies to locusts.
  Holy Grail
  • Its costume has color alts.
  Holy Mantle
  • The shield is no longer restored if the player saves and continues after losing it.
  Immaculate Conception
  • Its costume has color alts.
  Key Piece 1 /   Key Piece 2
  Kidney Stone
  • Causes Isaac to fire "tears" from the middle instead of from his eyes, and at a slightly lower height.
  Lil Brimstone
  • Got renamed from "Lil' Brimstone" to "Lil Brimstone".
  • Can damage Fire Places and poops.
  Lil Haunt
  • Got renamed from "Lil' Haunt" to "Lil Haunt".
  Lord of the Pit
  • Its costume has color alts.
  Lost Contact
  • Only affects the player and Incubus's tears.
  Lusty Blood
  • Its costume has color alts.
  Number One
  • Causes Isaac to fire "tears" from the middle instead of from his eyes, and at a slightly lower height.
  Ouija Board
  • Its costume no longer overwrites the player's skin color to pink instead of white.
  PHD
  • Converts:
    • ??? into Telepills
    • Addicted into Percs!
    • Paralysis into Pheromones
    • Retro Vision into I can see forever!
    • R U A Wizard? into Power Pill!
    • X-Lax into Something's wrong...
  Piggy Bank
  • Its costume has color alts.
  Purity
  • Better visualisation of Purity's glow.
  Restock
  • Purchasing an item that is on sale will replace it with another that is on sale.
  Robo-Baby
  Rubber Cement
  • Tears bounce off bombs.
  • Spectral tears no longer bounce off rocks.
  Sagittarius
  • Its costume has color alts.
  Scatter Bombs
  • Bombs actually scatter around.
  • Small bombs leave smaller craters.
  The Small Rock
  • The speed and tears changes will take effect immediately. Without Afterbirth+, they didn't immediately change until Isaac's speed or tears stats are updated the next time.
  Steam Sale
  • Items have a chance to be discounted further by random sales; for example, a discounted item originally costing 5 coins will then cost 2 coins instead of 3.
  Sticky Bombs
  • Its costume has color alts.
  Succubus
  Synthoil
  • Its costume has color alts.

TrinketsEdit

General
  • Some sprites changed:
Item Old sprite New sprite
???'s Soul    
Black Feather    
Blasting Cap    
Blister    
Bob's Bladder    
Broken Magnet    
Brown Cap    
Cain's Eye    
Cracked Dice    
Daemon's Tail    
Endless Nameless    
Error    
Karma    
Lazy Worm    
Lil Larva    
Louse    
Lucky Rock    
Mom's Locket    
Mom's Pearl    
Mysterious Paper    
NO!    
Poker Chip    
Purple Heart    
Push Pin    
Rainbow Worm    
Rib of Greed    
Second Hand    
Shiny Rock    
Stud Finder    
Super Magnet    
Tape Worm    
Umbilical Cord    
Watch Battery    
Whip Worm    
  The Left Hand
  Safety Scissors
  Tick

InteractionsEdit

PickupsEdit

General

HeartsEdit

Black Heart
  • Has unique sounds.
Eternal Heart
  • Takes half a heart worth of damage from any lethal hit taken with only Soul Hearts.
Gold Heart
  • Turns nearby enemies to gold when breaking.
  • Added better visual feedback when breaking.
  • Minimap icon added.
  • Has unique sounds.
Half Red Heart
  • Minimap icon added.

CoinsEdit

Lucky Penny
  • Has a green shine.

BombsEdit

Golden Bomb
  • Has unique sounds.

PillsEdit

Friends Till The End!
  • Has narration.

Cards and RunesEdit

  ? Card
  • Its card ID is 48 instead of 43.
  A Card Against Humanity
  • Has a unique card back.
  Chaos Card
  • Has a unique card back.
  Credit Card
  • Has a unique card back.
  Get out of Jail Free Card
  • Has a unique card back.

ChestsEdit

General
  • Items dropped no longer revert to their generic stone pedestal look upon leaving and reentering the room.
Locked Chest
Spiked Chest

EntitiesEdit

MonstersEdit

General
  • Champion enemies no longer deal contact damage if the non-champion version doesn't.
  • Charmed enemies prioritize non-charmed enemies unless there aren't any.
  • Permanently charmed enemies no longer try to go after Punching Bag.
  • Permanently charmed enemies can shoot projectiles through each other and familiars.
  • Monster replacements will now only occur with enemies spawned as part of the room layout.
Begotten
  • Is chained to an adjacent rock if the nearest wall is more than 1 grid cell away.
Big Spider
Blue Gaper
  • Reduced Base HP and added stage HP.
  • Has a proper appearance animation if spawned by a room rather than by a boss.
Conjoined Fatty
  • Added extra sounds and effects to creep attacks.
Death's Head
  • No longer deals contact damage during its death animation.
Greed Gaper
  • Has a proper appearance animation if spawned by a room rather than by a boss.
Homunculus
  • Is chained to an adjacent rock if the nearest wall is more than 1 grid cell away.
Lil Haunt
  • Is no longer considered boss.
  • Has a unique death portrait.
Lump
Meatball
  • Added extra sounds and effects to creep attacks.
Mega Clotty
  • Make a sound when stomping.
Rage Creep
  • Its brimstone is no longer moved upwards and no longer cause the player to take damage along the top wall in Womb/Utero room #202.
  • Its attack animation slightly longer.
Spider
Stone Grimace and all its variants
Stone Grimace
  • Closes its eyes when the room is cleared.
  • No longer respawn when reentering the room if killed.
Super Pooter
  • Renamed from "Fat Fly" to "Super Pooter".

Mini-BossesEdit

Greed
  • The Greed fight before Ultra Greed triggers the victory jingle when cleared.
Stone Grimace
  • No longer plays its appear animation if encountered in an already cleared room.
Super Greed
Swinger
  • Spawns with its head retracted and extends over 2 seconds.

BossesEdit

Brownie
The Cage
  • Its grey creep blinks.
The Forsaken
  • Moves to a more appropriate place to perform his Brimstone attack in L shaped rooms.
  • Multiple Forsakens in the same room can spawn their own Bony each and always spin their Brimstone attack in the same direction at the same speed.
The Haunt
  • Champion variants are transparent during their first phase.
Hush
  • Due to the way entity stacking works ??? may rarely appear instead and once defeated will skip "phase 2" entirely and will give a completion mark as if Hush was defeated.
Krampus
  • Does a short dash towards the player before doing a spinning Brimstone attack.
  • Can shoot Brimstone lasers in all 4 diagonal directions.
The Lamb
  • No longer do its rotating Brimstone attack when close to a wall.
Little Horn
  • Has new champion versions:
    • Orange: Spits out an orange Troll Bomb instead of a black ball. The bomb deals contact damage and leave a patch of fire similar to Hot Bombs.
    • Black: Does not attack with Pits or troll bombs, but fires smoke balls more frequently.
Mega Satan
  • If The Void is unlocked, there is a 50% chance that the game will not immediately end, and Mega Satan will instead drop an ending chest along with a portal. Entering the chest ends the game and plays the cutscene while entering the portal will take Isaac to The Void.
Mom
  • Familiars are teleported to the player's position when entering the boss room.
Rag Man
  • Has new champion versions:
    • Black: Spawns 2 spiders instead of a Ragling. Uses his resurrect frequently. This won't resurrect anything since the spiders don't leave corpses but still heals him. Sprays tears during his resurrect, similar to Monstro's spit.
    • Red: No longer fires tears. Can have up to 4 Raglings at one time and can revive up to 2 Raglings at once.
Triachnid
  • Has a death animation.

CreepsEdit

Red creep

EnvironmentEdit

General
  • Added some backdrop tiling fixes.
  • Pit seams are fixed.

ChaptersEdit

Womb
  • Womb trapdoors have a new sprite for when they are closed.
???
  • Additionally, an exit will spawn in the corner of the room, containing a Portal leading to The Void.
Cathedral
  • Has a new floor transition animation.
  • Some rooms contain Angel Statues that can be bombed to summon the Angels and acquire key pieces.

RoomsEdit

Treasure Room
  • There is a chance that 2-3 Greed Gapers may appear in the room.
  • Treasure rooms can rarely contain two items that can both be taken or poop, trinket and a couple of pickups instead of an item.
  • New layouts:

         

Shop
  • There is a 20% chance for Donation Machine to be replaced by Restock Machine.
  • There is a small chance for the shop to be replaced by one of its two rare variants:

   (the two pennies are lucky pennies)

Curse Room
  • Can contain a Devil statue and a random item, surrounded by spikes.
  • Minimap icon changed.
Sacrifice Room
  • Minimap icon changed.
  • New layout:

 

Secret Room
Devil Room
  • Can contain:
  • Urns may spawn in the Devil Room.
  • An angel statue can rarely substitute the Satan statue and can be awoken with an explosion.
    • Angels spawned in this way do not drop Key Pieces.
  • Red Chests inside a Devil Room no longer teleport the player to the Devil Room.
Angel Room
  • Can contain 5 Soul Hearts.
  • Two angel statues can appear in the same room, allowing Isaac to fight both Uriel and Gabriel. It is possible to get both Key Pieces if Isaac awakes and fights each of them one by one; however, fighting both at once will only spawn one Key Piece corresponding to the last defeated angel.
Dice Room
  • The 1 pip room re-rolls each of Isaac's passive items into a random item from the specific item pool where it was acquired.
  • The 4 pips room rerolls item pedestals located in the Shop and the Library.
  • Have a small icon in the corner of the room that denotes what the effect of the room is.
I AM ERROR
Boss Rush
  • There is a small chance that there will be 8 items to choose from.
  • Using the Black Rune will start the Boss Rush.
  • New layout:

 

Crawl Space
  • New layouts (rares):

  

Black Market
  • Players can no longer access the Black Market through the wall glitch. However, it is still possible to access the Black Market using the glitch via special circumstances including having Ipecac and The Inner Eye.

ObstaclesEdit

Mushrooms
Reward plate
  • Locks the room when spawning enemies.
Silver button
  • No longer grants a charge when bombing out of its room.
Pushable TNT
  • Takes damage exactly like their regular counterparts.
Spikes
  • No longer stay in their raised position when clearing pressure plate rooms.
  • Start (and remain) in their lowered position when entering a cleared pressure plate room.

MachinesEdit

Donation Machine
  • Donation gradually accelerates if the player stays in contact with the donation machine.
Greed Donation Machine
  • No longer jams when the HUD displays a jamming rate of 0%.
  • Donation gradually accelerates if the player stays in contact with the greed machine.
Slot Machine
  • Items dropped no longer revert to their generic stone pedestal look upon leaving and reentering the room.

ChallengesEdit

  • Killing Delirium will count as completing challenges.
I RULE!

AchievementsEdit

General
  • Popups can be fast-forwarded by tapping Start.