The Universal Binding of Isaac: Rebirth Corruptor.
Is the ordinary Rebirth too... boring for your tastes? Too stale? Too... stable? Do you lust for chaos in your gameplay? Anarchy? Glitchiness? "isaac-ng.exe has stopped working."? Search no more as this is precisely the tool you need - the Undefined 3.0! It slices, it dices, it turns the game into an unspeakable horror full of eldritch abominations and is user-friendly while at it!
Download the executable here.
FAQ:
Q: is ths a vrus
A: 3 guesses, first two don't count
Q: OmG It poped A HAkeR wINdow wth tEt y u HAKin mE!!!???
A: First time setup. Unless you reinstall the game it shouldn't do it again.
Q: ir crshed
A:
>willingly corrupt game's files
>complain that it crashes
>ಠ_ಠ
Q: whre i mac vrson
A: Nowhere.
Q: Is there a version for Linux?
A: It should work with Wine as is, but I can't test that as I don't have Linux.
Q: y u haCiN mE?!?
A: ( ͡° ͜ʖ ͡°)
Q: i want of mr bnes wild ride
A: Delete everything in (your isaac folder)/resources except for "packed" and you're set.
Q: ur stpid progam crsed
A: Show me the error message, else I won't be able to do much with it.