The Womb
Next upDefeat Mom.
Reach Depths II and defeat Mom.
Sources:AchievementsWomb
Achievement
Defeat Mother as Tainted Isaac.
Sources:AchievementsMotherCorpse
Defeat Mom.
Reach Depths II and defeat Mom.
Sources:AchievementsWomb
Defeat Mom's Heart 10 times.
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 Isaac.
After: The Polaroid, A Strange Door
Defeat Mother as Tainted Isaac.
After: The Broken, A Secret Exit