Binding of Isaac Achievement: D1
In-Game Secret Number
Complete challenge #33
Defeat Ultra Greed as Apollyon
Defeat Ultra Greedier as Eden
Get a 5-win streak in the Daily Challenges
Acquire Rubber Cement 5 times
Acquire Blood Clot 10 times
Die to your own explosion from Ipecac, Bob's Rotten Head, or Horf! pill
Unlocked even more bosses!
Defeat ??? as 6 different characters
Complete 2 Victory Laps and start a 3rd
Defeat Mom's Heart or It Lives! on hard modeas Apollyon
Defeat Ultra Greedier as Keeper
Defeat Delirium as Samson
New mode unlocked!
Donate 500 coins to the Greed Machine
Participate in 31 Daily Challenges (they don't have to be consecutive; it will still count if you die in the first room)
Beat Chapter 3 without taking damage
Defeat Ultra Greedier as ???
Defeat Mom's Heart or It Lives! on hard modeas The Forgotten
Unlocked a new challenge.
Defeat Mom for the 1st time
Defeat Delirium as The Lost