Binding of Isaac Achievement: Apollyon
In-Game Secret Number
Defeat Ultra Greedier as Judas
Complete a Victory Lap, defeating The Lamb
Collect 10 "tears up" items or pills in one run
Participate in 31 Daily Challenges (they don't have to be consecutive; it will still count if you die in the first room)
Get a 3-win streak
Sleep in 10 beds
Defeat Ultra Greed as Apollyon
Take 25 items from Angel rooms
Alt stage to the depths.
Defeat It Lives 21 times
Unlocked a new starting item.
Complete challenge #34
Defeat Ultra Greedier as ???
Recharge using batteries 20 times
Unlocked the power of RERUN.
Complete 3 Victory Laps and start a 4th
Complete the Boss Rush as The Forgotten
Defeat Hush as Apollyon
Defeat Delirium as Lilith
Defeat Ultra Greedier as Eve
Collect every item in the game, unlock all secrets and endings, and complete the Bestiary
Defeat 20 portals