▲
1
▼
As recently as the game's third update, the passive item "Money=Power" contained a typo that made it appear as "Monkey=Power". This would be patched out in a future update.
▲
1
▼
According to developer Edmund McMillen, the working title for The Binding of Isaac was "Love Sick" and was later changed to "Mom" before it eventually became The Binding of Isaac.
▲
1
▼
Pausing the game immediately after triggering a fight in a challenge room will have all waves of enemies spawn at once. Florian Himsl will not fix this bug because he finds it funny.
▲
1
▼
Completing the Chest with any character is supposed to unlock an item and an achievement after the first attempt. While the in-game award is correct, the Steam achievements are glitched, where beating the Chest with one character will unlock the achievement of another. This goes for all characters excluding Maggy and Isaac.
▲
1
▼
The fez on Judas' head is a referential jab at FEZ creator Phil Fish, who voted against Edmund McMillen and his team at the Independent Games Festival. The name "Judas" likely was intended to evoke Judas Iscariot of the New Testament, and suggests that the character Judas represents Fish's betrayal of Edmund.
▲
1
▼
The character "???" also known as the Blue Baby, is a reference to both Edmund McMillen's Newgrounds username, BlueBaby, and one of his earliest Newgrounds submissions, "Dead Baby Dressup".
▲
1
▼
There is a chance that the person found sitting in a secret room will have the face of the "Forever Alone" meme.
▲
1
▼
The posters in the arcade room are references to Edmund McMillen's previous games. Namely Meat Boy, Time Fcuk, Gish, Tri-Achnid, Spewer, Coil and Aether.
▲
1
▼
To the left of every boss Health Bar (excluding Mask of Infamy) is an angry face. This is a reference to a character on the website Newgrounds called Mr. Angry Face.
▲
1
▼
The item "Bible" can not only give you wings for usage of one room, but can also kill Mother during the fight with her, or you if you decide to use it while fighting Satan.
▲
1
▼
Some Mac users of the game have encountered a glitch where, on start up, the screen will remain black and the player will have maximum hearts, 99 cents, two trinkets named "Death", a book named "Death" in the consumable window, and the Bible icon in the item window.
▲
1
▼
"I Am Error" is a rare, special room that only has a 6.66% chance of being accessible when using telepills. The name and appearance of the character in the room references Zelda II: The Adventure of Link.
▲
1
▼
On the character select screen, Cain's Lucky Foot item is misspelled as "Luck Foot."
▲
1
▼
The Gaper, Mulligen, Mulligoon, and The Swarmer are all the exact same enemies, but in different states of decay.
Related Games
The Binding of Isaac: Rebirth
The Basement Collection
Mega Man X4
Darkened Skye
Zoo Tycoon 2
Bit.Trip Presents... Runner2: Future Legend of Rhythm Alien
Metro 2033
Lunar: Silver Star Story Complete
The Typing of the Dead: Overkill
Madden NFL 99
Raiden
Huniepop
Terrain of Magical Expertise
Sid Meier's Civilization
Railroad Tycoon II
Shin Megami Tensei
Ark: Survival Evolved
Gimmick! 2
Naruto: Ultimate Ninja Storm
Street Fighter X Mega Man
Duke Nukem
Earthworm Jim
Millipede
For Honor
The Riverside Incident
DC Universe Online
Gex
Arcanum: of Steamworks and Magick Obscura
Gothic
Twinsen's Little Big Adventure Classic
Shiro Project
Danganronpa: Live or Die
Mint's Hints
Martin Mystère: Operation Dorian Gray
Rivals of Aether
Teenage Mutant Ninja Turtles: Mutants in Manhattan
Alone in the Dark
Bug Too!
Leisure Suit Larry: Magna Cum Laude
Monkey Island 2: LeChuck's Revenge
Call of Duty: Modern Warfare
Flock!
Soldier of Fortune II: Double Helix
Sonic Heroes
Teenage Mutant Ninja Turtles
Star Trek Online
A Game About Digging A Hole
Warcraft III: Reign of Chaos
Sherlock Holmes: The Awakened
Elden Ring