V1.3.0.3
- Slowed down Toadie's tongues.
- Fixed Tinga spawning outside of the Dank Depths.
- Fixed Bivalves spawning outside of Sheol.
- Bowler's rolling head now shuts doors, so you can't leave while they're attacking.
- Bivalves can now attack.
- Slight optimisations to Pud's code.
- Possessed Fly now has a death animation.
- Possessed Fly no longer deals damage to the player.
- Fixed Possessed Fly's shield displaying in completely the wrong place.
- Removed rooms in the womb where the Brainlet and Eyebomination are paired up because it was wildly unfair.
- Slight changes to which monsters can be champions.
- Pyrons are slightly slower.
- Very rare rock fly easter egg.
- Updated Sack Fly's sprite and animations.
- Changed Sack Fly and Plop's projectile parameters so they're a bit more fierce.
- Added EIDs to Monstrous Book of Monsters, Pressure Gauge, and Blue Bombs.
- Clarified EIDs for Crumpled Ticket, Medical Bill, and Cloak of Darkness.
- HP Buff to Rock Flies and Wisps.
- Slight speed buff to Thrasher, Smasher and Dozer.
- Medical Bill will no longer give max debt if you're holding medical bill.
- Made the shop with the Nerd Bum and Figurine Machine much rarer.
- Moved the buttons around in that one Planetary Grimace Caves room.
- Added sounds to Nerd Bum.
- Minor tweak to Lil' Scanner and Honeycomb's sprite.
- Pyron no longer takes fire damage.
- Added more rooms to the Basement, Cellar, Burning Basement, Caves, Necropolis and Sheol.
- Tweaked a few rooms.
- Fixed a bug where Super Duper Secret Rooms didn't give a reward.
- Robo-Baby X now counts towards the "I, Robot" transformation.
- Curse of Vanishing no longer effects collectibles and shop items.
- Changed compatibility with EID.
- Updated the Rainbow Chest's sprite to better communicate the fact it doesn't need a key.
- Deleted unneeded files that had an adverse effect on mod compatibility.
- Fixed a bug where Vacuum Chests would sometimes have their collisions disabled when re-closing.
- Slight optimisations to Vacuum Chests.
- Curse of Vanishing no longer destroys collectibles, the end chest, and other various things (essentially, it only works on pickups)
- Updated Basement Renovator thumbnails for monsters.
- Updated Conductive Metal's sprite, slightly.
- Fixed lvl2 Flyders using the wrong grid collision class.
- Various bugfiixes and fixed issue that prevented the in-game encyclopedia mod from working

Fixed some bugs with boss drops (XP Bar, Death's Sacrifice and Starvation)

Fixed wrong collision class on flyders

Released V1.3 - A Monster of an Update
- Added Enemies: Smoker, Sad Trite, Thrasher, Smasher, Dozer, Appendix, Dropdown Spider, Dropdown Flyder, Mullinest, Skeletooth, Psymind, Aneurysm, Dookie, Dinkie, Drop, Floating Brown Knight, Brainlet, Mud, Blud, Wandering Eye, Rolly Polly, Blind Eye, Possessed Fly, Stitches, Glitches, Bab, Momma, Cursed Cyclopia, Toadie, Red Toadie, Door Mimic, Phantom, Tinga, Carcass, Tinted Rock Fly, Rubble, Scolexian, Minodulo, Bloatshroom, Double Worm, and Molear
- Changed Enemies: Lovely Grimace, Epic Grimace, Dr. Grimace, Flite, Brownlet, Level 2 Flyder, Raging Fly, Flyder, Brown Knight, Infected, Cateratic, Soul Wisp, Chaos Wisp, Waxhead, Plop
- Removed Enemies: Deadeye, Dimple, Doublethought, Drone, Frozen Ghost, Gazer, Glioma, Glitch, Growth, Holoblank, Hungry, Limbless, Listener, Ludovican, Mastocyte, Melty, Parasitic, Scout, Starving Bat, Thirsty, Toxic Sludge, Virus, Sebal, Rock Nest, Brainfrost
- Added the following items: Experience Bar, Robobaby X, Pet Rock Fly), Banana Peel, Charity, Prismatic Abberation, Edith's Effigy, Medical Bill, Demonic Talisman, Bumble Bombs, Ballot, Empty Syringe, Guppy's Soul
- Added the following trinkets: Macro Key, Bloody Clover, Silky Penny, Blessed Leaf, Cracked D20, Crumpled Ticket, Pride Badge, Monstrous Book of Monsters, Conductive Metal, Eternal Lock, One Leaf Clover, and The Right Hand
- Gave Nodulo a full move set and Boss Rooms to go with it.
- Added new variants for the Tapeworms.
- Added 500+ rooms. There's more but I lost count.
- Changed/edited a lot of rooms too.

Minor changes:
- Added sound effects to the Foiled Judgement card.
- Changed the type of fire that Casters spawn.
- Standardised all enemy file names.
- Fixed Scented Candle's descriptions.
- Fixed a bug on the Huge Rock trinket.
- Slightly changed how Broccoli behaves.
- Foiled Magician now applies to familiar tears.
- Gave Moses a VS Screen name and portrait, as well as a floor transition sprite.
- Fixed a bug where the tapeworms could appear on the Depths 2.
- Fixed Guppy's Soul being useless.
- Gave Pixie Dust a costume.
- Fixed Demon Hosts being stuck down when a status effect gets applied to them.
- Updated Amygdala's walk animation.
- Hopefully fixed the difficulty on Greed waves.
- Updated sprite for the Chest Magnet
- Fixed Pressure Gauge for real this time.
- Fixed Clockwork tears not using an absolute reference for which eye they came from.
- Updated Jack o' Lantern bomb sprites.
- Updated Faith/Evil meter sprite.
- Fixed Fleshheads not playing properly.
- Gave the Blindness status effect an icon.
- Completelt reworked how Blindness works.
- Introduced a "Softlock Detection" for items like Edith's Effigy, Wax Wings, and Pixie Dust.
- Rehauled which enemies can appear on which floors.
- Added a synergy between Schrodingers Tears and Brimstone.
- Tweaked how Faith alters your Angel Deal chance.
- Improved Lil' Larry's pathfinding.
- Made Blue Streak only make coins that the player drops disappear.
- Added a secret to the Secret Password trinket.
- Made Lil' Dople compatible with True Co-Op.
- Fixed Lovely Grimace not playing the right animations.
- Fixed Pedestilders.
- ISAAC is SAD's text is now animated.
- Fixed Pedestilers spawning after a room has been re-entered.
- Optimised Honey Creep detection and handling.
- Optimised a lot of TEAR-UPDATE related functions.
- Changed how PPOST_TEAR_UPDATE callbacks are called.
- Changed Bivalves code to be less laggy.
- Bowlers now throw their heads more often.
- Made Plop be a bit less laggy.
- Made Harlequinitis less laggy.
- Nerfed Vegemite and removed it from the Boss pool.
- Reduced the speed of Corn Squirts.
- Golden Champion Belt no longer reduces the chance of champion pickup drops.
- Reduced Pyron's speed.
- Optimised Spinning Wheel and made it a bit nicer to play with.
- Made Flaming Horfs shoot an orange fire instead of a purple one.
- Optimised Pinball's code.
- Gave Flaming horfs an animated fire to the sprite.
- Nerfed a LOT of enemies HP.
- Cyclobins now stop when shooting, and are better at telegraphing their shots.
- Reduced the number of shots Pukies can fire at once, and fixed the shooting animations.
- Reduced the stat nerfs to Apollyon's base stats.
- Pud, and other indestructible enemies now die if a Greed Mode wave is cleared.
- Added a death and idle animation to Ascendeds.
- Sack Flies no longer spawn Flyders
- Added Curse of Vanishing and Curse of Feces.
- Added a lot of items from other mods to our transformations.
- Renamed Undeadeye to Eyezor.
- Fixed a lot of sprites not having the red-black outlines.
- Added Foiled Chariot and Hanged Man cards.
- Fixed a bug causing Stat Ups to not apply when in True Co-Op.
- Fixed Spinning Wheel not working in True Co-Op.
- Made Casters spawn Fires instead of Portals.
- Made Plop's visual poo trail match the sprites colour.
- Updated sprites for a couple of items.
- Rock Flies now deal contact damage.
- Removed a lot of unneccesary UI changes.
- Made the title screen prettier.
- Huge buff to Soul of Gluttony, making it useful.
- Rebalanced a lot of item pools.
- Fixed Blue Bombs.
- Removed a lot of Enemy Replacement code.
- Tonsil Stones now despawn faster the more there are.
- Tweaked how Beheading works.
- Fire Extinguisher has unique behaviour for fire-based enemies.
- Slightly buffed Lilith.
- Greed's Soul is now Lil' Greed.
- Resprited the Leecher.
- Minor tweaks to Vissure and Fissure's sprites.
- Added compatibility for Retribution.
- Added MinimAPI compatibility.
- Removed a lot of redundant files.
- Fixed a lot of Bestiary portraits and entries.
- Pud no longer moves when it's dying.
- Tweaked Amygdala's AI
- Volitile Hosts now shoot their skulls at you.
- Added an ENEMY is FAST modifier to ISAAC is SAD.
- Updated Scratch Card's sprite.
- Added missing plagues to the Book of Plagues.
- Changed some of the weaker plagues.
- All instances of Vector(0,0) are now stored in a single variable, increasing performance.
- Triple Horf's shots now behave consistenly.
- Improved Rubber Baby.
- Fixed Duct Tape making some familiars play all funky.
- Mr. Maw can no longer be bewitched.
- Updated Cyber-Bum's animations.
- Removed Greed Machines from shops
- Fixed a Crawl Space that you could get stuck in without flight.
- Fixed "Have I Grown Up" behaving weirdly with some enemies.
- Fixed Lil Scanner not animating.
- Casters shoot slower bullets now.
- Reduced Shadow Champion spawn rate.
- Made more enemies unable to become Shadow Champions.
- Modded Creeps can no longer be replaced by "The Thing"
- Added sound effects to a lot of enemies.
- Made a lot of EID's work with the new formatting.
- Lost Worm can no longer confuse enemies.
- Remade the Dreamcatcher.
- Made Pedestilders work with Curse of the Blind.
- Minor graphical updates to Mega Satan's land.
- Made starvation less bad. It is now always at least a minor stats up.
- Added Nodulo and Tapeworms to the Boss Rush that is The Chest and Dark Room.
- Slydes no longer spawn Gushers/Pacers on Death
- Improved performance on a LOT of functions and callbacks, greatly improving performance.
- Resprited Dank Depth's Head.
- Resprited Broken Reading Glasses.
- Made Broken Reading Glasses behave better with other books.
- Removed Reroll machines from all IPECAC shops.
- Reduced the attack speed of the melanoma.
- Fixed a visual glitch with Tech L.
- Reduced shot speed of Eyezors.
- Added a fly to the title screen.
- Fixed Pinball not triggering.
- Made Appolyon a bit better to play.
- IPECAC hosts are no longer targeted by flies while invincible.
- Updated animations and sounds for the Hematochezia.
- Changed some room difficulties.
- All rooms now state the mod name, room designer name, and sometimes a unique room name.
- Made more poop enemies flushable.
- Changed the criteria for the Lil Dople unlock.
- Plague of the Firstborn now has a visual effect.
- Defined the difficulty of most of our rooms.
- Fixed Pedestilders not dropping items on death.

Quick Patch: Parasitics no longer spawn gemini's baby

Fixed game-crashing bug with slydes. Really sorry for taking so long to fix something so simple and with such consequences to the gameplay

- Added over 1000 rooms
- Added Over 150 Greed Mode Rooms
- Added support for the Sewing Machine mod
- Balanced many, many enemies
- New Trinket: Pressure Gauge. It automatically releases charging shots for you.
- New Enemy: hematochezia ("red squirt")

Fixed major bug involving the Spun transformation and Addicted pill
Changed around some item descriptions (both their flavour text and EID descriptions), in an attempt to make them more accurate, or to give descriptions when they didn't have for EID
Fixed typo with Locust of Void, causing it to be invisible

- ISAAC is SAD now affects 100% of the uncleared rooms, rather than just 50%
- Fixed Treasure Chests still taking your keys even if they're already opening
- Fixed Yin and Yang not applying the stats up properly
- Seven-Leaf Clover is now "only" + 7.77 Luck (it may get nerfed further in the future)
- Clarified the EID description of some items
- Added "Misery" and "Pixie Dust" to the item pool
- Fixed Clockwork giving bouncing and dmg up to all tears
- Fixed "Map having a seizure" bug when having the Cloak of Darkness
- Tried to balance out the ramming effect of Speedo Needo

Fixed bugs with Book of Plagues and new API