Azazel
ReadyMake 3 deals with the Devil in one run.
Achievement
Earn every completion mark on Hard mode as Lilith.
In-game: “Unlocked a new co-player baby.”
Sources:AchievementsCompletion Marks
Make 3 deals with the Devil in one run.
Donate 500 coins to the Greed Donation Machine.
Defeat Mom.
Reach Depths II and defeat Mom.
Sources:AchievementsWomb
Defeat Mom's Heart 10 times.
After: The Womb
Defeat Ultra Greed as Azazel.
After: Azazel
Defeat Satan 5 times.
After: The Womb
Defeat Isaac 5 times.
After: The Womb
Defeat Hush 3 times.
After: The Womb, Blue Womb
Complete Chapter 6 (defeat ??? in the Chest or The Lamb in the Dark Room).
After: The Womb, The Polaroid
Defeat Ultra Greed as Lilith.
After: Lilith
Defeat ??? as Lilith.
After: Lilith, The Womb, The Polaroid
Defeat Ultra Greedier as Lilith.
After: Greedier!, Lilith
Defeat Mom's Heart or It Lives! on Hard mode as Lilith.
After: Lilith, The Womb
Complete the Boss Rush as Lilith.
After: Lilith
Defeat Hush as Lilith.
After: Lilith, The Womb, Blue Womb
Defeat Hush.
After: The Womb, Blue Womb
Defeat Isaac as Lilith.
After: Lilith, The Womb
Defeat Satan as Lilith.
After: Lilith, The Womb
Defeat The Lamb as Lilith.
After: Lilith, The Womb, The Negative
Defeat Mother.
After: A Secret Exit
Defeat Mega Satan as Lilith.
After: Lilith, Angels, The Womb, The Polaroid
Defeat Mother as Lilith.
After: Lilith, A Secret Exit
Defeat Delirium as Lilith.
After: Lilith, The Womb, Blue Womb, New Area
Defeat The Beast as Lilith.
After: Lilith, The Polaroid, A Strange Door
Earn every completion mark on Hard mode as Lilith.
After: Incubus, Box of Friends, Big Baby, Rune Bag, Cambion Conception, Serpent's Kiss, Succubus, Immaculate Conception, Goat Head Baby, Euthanasia, Duality, Blood Puppy, C Section, Lilith