Binding of Isaac Achievement: Red Candle
In-Game Secret Number
Defeat The Lamb as The Lost
Beat ??? as Eden
Unlocked a new co-player baby.
Defeat Mom's Heart on hard mode as Samson
Defeat Ultra Pride or ??? as Judas
Defeat Mom's Heart 3 times
Defeat Mom using The Bible
Beat Chest or Dark Room without taking damage.
Complete chapter 6 without taking damage
Defeat Satan 5 times
Complete the Boss Rush as Isaac
Collect all items in the game, unlock all of the secrets and endings minus The Lost and his 6 unlockable items
Defeat The Lamb as Samson
Complete challenge #5
Complete the Boss Rush as ???
Unlocked Challenge #19.
Pick up both Key pieces from the Angels in one run
Unlocked Challenge #10.
Have 7 or more heart containers at one time
Defeat ??? as Samson
Use XIII - Death 4 times
Collect 2 of either Roid Rage, The Virus, Growth Hormones, Experimental Treatment or Speed Ball