Skip to content

Isaac Progression

FinderUnlock finder
CharactersCharacters
MapMap
ProgressMy progress

Browse:Items Bosses Floors Challenges Endings

Unofficial fan project. Not affiliated with the developers of The Binding of Isaac.

Game facts are sourced from the Binding of Isaac Rebirth Wiki (CC BY-SA), and each guide links to its sources. Your progress is saved only in this browser.

Unlock · character

The Lost

Achievement “The Lost” (#82): Die in a Sacrifice Room while holding the Missing Poster.

Sources:Achievements The Lost

0 of 4 doneNext: The Womb

x

Stage 1

The Womb
Next up
Defeat Mom.
Reach Depths II and defeat Mom.
Sources:Achievements Womb

Stage 2

The Negative
Later
Defeat Satan 5 times.
After: The Womb
Satan defeats0 / 5

Stage 3

Missing Poster
Later
Defeat The Lamb as Isaac.
After: The Womb, The Negative

Stage 4

The Lost
Later
Die in a Sacrifice Room while holding the Missing Poster.
After: Missing Poster