Binding of Isaac Achievement: Key Bum
In-Game Secret Number
Earn all hard mode completion marks as ???
Unlocked a new starting item.
Donate 68 coins to the Greed Machine
Unlocked a new character.
Donate 1000 coins to the Greed Machine
Earn all hard mode completion marks as Azazel
Earn all hard mode completion marks as Samson
Defeat Hush as Eve
Defeat Hush as Eden
Defeat Mom's Heart on hard mode as Lilith
Defeat Ultra Greed as The Lost
Complete challenge #27
Defeat Mega Satan as Azazel
Defeat Ultra Greed as Samson
Unlocked a hidden chapter.
Defeat Mom's Heart 10 times
Unlocked Challenge #30.
Defeat Mom for the 1st time
Defeat ??? as Keeper
Defeat Isaac as Lilith
Unlocked Challenge #26.
Defeat ??? or The Lamb for the 1st time, and defeat Satan as Isaac
Greed just got harder!
Donate 111 coins to the Greed Machine
Donate 1 coin to the Greed Machine