Binding of Isaac Wiki
None Achievements
Welcome to The Binding of Isaac achievement guide. Click on an achievement to learn more.
Description
Unlock
In-Game Secret Number
You became Lord of the Flies.
Become Lord of the Flies
Unlocked a new co-player baby.
Defeat Mom's Heart on hard mode as Samson
Unlocked a new co-player baby.
Defeat Mom's Heart on hard mode as Eden
Unlocked a new co-player baby.
Defeat Mom's Heart on hard mode as The Lost
Unlocked a new co-player baby.
Defeat Mom's Heart on hard mode as ???
Unlocked a new co-player baby.
Removed in Afterbirth+: Defeat Mom's Heart on hard mode as Lazarus
Added in Afterbirth+: Defeat Mom's Heart on hard mode as Azazel
Added in Afterbirth+: Defeat Mom's Heart on hard mode as Azazel
Unlocked a new co-player baby.
Removed in Afterbirth+: Defeat Mom's Heart on hard mode as Azazel
Added in Afterbirth+: Defeat Mom's Heart on hard mode as Lazarus
Added in Afterbirth+: Defeat Mom's Heart on hard mode as Lazarus
Unlocked a new co-player baby.
Defeat Mom's Heart on hard mode as Cain
Unlocked a new co-player baby.
Defeat Mom's Heart on hard mode as Judas
Unlocked a new co-player baby.
Defeat Mom's Heart on hard mode as Eve
Unlocked a new co-player baby.
Defeat Mom's Heart on hard mode as Magdalene
Unlocked a new co-player baby.
Defeat Mom's Heart on hard mode as Isaac
Unlocked Challenge #20.
Defeat Mom for the first time
Unlocked Challenge #19.
Pick up both Key pieces from the Angels in one run
Unlocked Challenge #11.
Beat challenge #19 and defeat Lokii for the 1st time
Unlocked Challenge #10.
Have 7 or more heart containers at one time
Unlocked Challenge #9.
Defeat Mom's Heart 9 times
Unlocked Challenge #8.
Become Guppy (Collect 3 Guppy Items)
Unlocked Challenge #7.
Defeat Mom's Heart 11 times
Unlocked Challenge #6.
Defeat Mom's Heart 3 times
Unlocked Challenge #5.
Have 7 or more heart containers at one time
Unlocked Challenge #4.
Defeat Mom's Heart 11 times
Unlocked a new item.
Removed in Afterbirth: Beat Mom's Heart, Isaac, Satan, ???, and The Lamb and complete the Boss Rushon hard mode as The Lost
Added in Afterbirth: Earn all 9 Completion Marks on hard mode as The Lost
Added in Afterbirth: Earn all 9 Completion Marks on hard mode as The Lost
Donated 600 pennies to the shop.
Donate 600 coins to the Donation Machine
Donated 200 pennies to the shop.
Donate 200 coins to the Donation Machine
Donated 100 pennies to the shop.
Donate 100 coins to the Donation Machine
Donated 20 pennies to the shop.
Donate 20 coins to the Donation Machine
Unlocked a new item.
Defeat Mom's Heart 2 times
Unlocked a new item.
Defeat The Lamb as Isaac
Unlocked a new item.
Blow up 30 arcade machines
Unlocked a new item.
Use the Blood Donation Machine 30 times
Unlocked a new item.
Collect 2 of either Roid Rage, The Virus, Growth Hormones, Experimental Treatment or Speed Ball
Unlocked a new item.
Destroy 100 poops
Built him out of meat cubes.
Make a Super Meat Boy by picking up 4 Cubes of Meat in one run; see methods to create a Super Meat Boy
Unlocked a new item.
Defeat Krampus for the 1st time
Unlocked another miniboss!
Take 20 items from devil rooms
Unlocked a new item.
Defeat Mom's Heart 7 times
Unlocked a new item.
Defeat Mom's Heart 6 times
Unlocked a new item.
Defeat Mom's Heart 4 times
Unlocked a new item
Donate 999 coins to the Donation Machine
Unlocked a new item.
Donate 400 coins to the Donation Machine
Unlocked a new item
Donate 150 coins to the Donation Machine
Unlocked a new item.
Donate 50 coins to the Donation Machine
Unlocked a new item.
Donate 10 coins to the Donation Machine
Unlocked a new item.
Complete the Boss Rush as The Lost
Unlocked a new item.
Defeat The Lamb as The Lost
Unlocked a new item.
Defeat ??? as The Lost
Unlocked a new item.
Defeat Satan as The Lost
Unlocked a new item.
Defeat Isaac as The Lost
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