Greedier!
ReadyDonate 500 coins to the Greed Donation Machine.
Achievement
Earn every completion mark on Hard mode as Keeper.
In-game: “Unlocked a new co-player baby.”
Sources:AchievementsCompletion Marks
Donate 500 coins to the Greed Donation Machine.
Donate 1000 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 Greedier as Keeper.
After: Greedier!, Keeper
Defeat Satan as Keeper.
After: Keeper, The Womb
Defeat Isaac as Keeper.
After: Keeper, The Womb
Defeat Ultra Greed as Keeper.
After: Keeper
Complete the Boss Rush as Keeper.
After: Keeper
Defeat Mom's Heart or It Lives! on Hard mode as Keeper.
After: Keeper, The Womb
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 ??? as Keeper.
After: Keeper, The Womb, The Polaroid
Defeat The Lamb as Keeper.
After: Keeper, The Womb, The Negative
Defeat Hush as Keeper.
After: Keeper, The Womb, Blue Womb
Defeat Hush.
After: The Womb, Blue Womb
Defeat Mother.
After: A Secret Exit
Defeat Delirium as Keeper.
After: Keeper, The Womb, Blue Womb, New Area
Defeat Mother as Keeper.
After: Keeper, A Secret Exit
Defeat Mega Satan as Keeper.
After: Keeper, Angels, The Womb, The Polaroid
Defeat The Beast as Keeper.
After: Keeper, The Polaroid, A Strange Door
Earn every completion mark on Hard mode as Keeper.
After: Keeper now holds... A Penny!, Rib of Greed, Noose Baby, Keeper holds Wooden Nickel, Keeper holds Store Key, Deep Pockets, Karma, Sticky Nickels, Super Greed Baby, Crooked Penny, Eye of Greed, Keeper's Sack, Keeper's Box, Keeper