Binding of Isaac Achievement: Charged Key
In-Game Secret Number
Unlocked a new area.
Defeat Hush for the 1st time
Complete a floor after Basement I, start-to-finish, with only half a heart of health (can use The Lost)
Defeat Delirium as Cain
Defeat Ultra Greedier as Eden
Unlocked a new co-player baby.
Defeat Mega Satan as Apollyon
Complete challenge #35
Defeat Ultra Greedier as Lazarus
Get a 5-win streak in the Daily Challenges
Defeat Satan as Apollyon
Unlocked new enemies!
Defeat The Lamb for the 1st time
Sleep in 10 beds
Take 25 devil deals
Defeat Isaac as The Forgotten
Defeat Ultra Greedier as Apollyon
Defeat Delirium as Samson
Complete the Boss Rush as Apollyon
Beat Chapter 4 without taking damage
Beat Chapter 3 without taking damage
Collect every item in the game, unlock all secrets and endings, and complete the Bestiary