Skip to content

Isaac Progression

FinderUnlock finder
CharactersCharacters
MapMap
ProgressMy progress

Browse:Items Bosses Floors Challenges Endings

Unofficial fan project. Not affiliated with the developers of The Binding of Isaac.

Game facts are sourced from the Binding of Isaac Rebirth Wiki (CC BY-SA), and each guide links to its sources. Your progress is saved only in this browser.

Tainted character

Tainted Isaac

Regular version: Isaac

Unlocking Tainted Isaac

Achievement “The Broken” #474

Open the hidden closet in Home as Isaac.

Completion marks

0 of 12 marks · 0 on Hard / Greedier. Click a mark to change it.

A Hard win counts as Normal too.

Sources:Completion Marks Hard mode Greed Mode

What the marks unlock

Isaac + ??? + Satan + LambMom's Lock
Mega SatanMega Chest
Hush + Boss RushSoul of Isaac
Greed (Greedier)The Stars
DeliriumSpindown Dice
MotherDice Bag
BeastGlitched Crown