The Womb
Next upDefeat Mom.
Reach Depths II and defeat Mom.
Sources:AchievementsWomb
Achievement
Unlock Tainted Eden.
In-game: “Unlocked challenge #45.”
Defeat Mom.
Reach Depths II and defeat Mom.
Sources:AchievementsWomb
Defeat Mom's Heart 10 times.
After: The Womb
Complete Chapter 4 (the Womb).
After: The Womb
Defeat Isaac 5 times.
After: The Womb
Defeat Hush 3 times.
After: The Womb, Blue Womb
Defeat Mother.
After: A Secret Exit
Open the hidden closet in Home as Eden.
After: Eden, The Polaroid, A Strange Door
Unlock Tainted Eden.
After: The Capricious