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Isaac Progression

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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.

Achievement

Polished Bone

Defeat Isaac, ???, Satan and The Lamb as Tainted Forgotten.

Sources:Achievements Cathedral Chest (Floor)Sheol Dark Room

0 of 10 doneNext: The Womb

x

Stage 1

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

Stage 2any order

Blue Womb
Later
Defeat Mom's Heart 10 times.
After: The Womb
Mom's Heart defeats0 / 10
The Negative
Later
Defeat Satan 5 times.
After: The Womb
Satan defeats0 / 5
The Polaroid
Later
Defeat Isaac 5 times.
After: The Womb
Isaac defeats0 / 5

Stage 3any order

A Secret Exit
Later
Defeat Hush 3 times.
After: The Womb, Blue Womb
Hush defeats0 / 3
The gate is open!
Later
Defeat The Lamb.
After: The Womb, The Negative

Stage 4any order

A Strange Door
Later
Defeat Mother.
After: A Secret Exit
The Forgotten
Later
Dig up The Forgotten with Mom's Shovel in the Dark Room (a three-part process).
After: The gate is open!, The Womb, The Negative

Stage 5

The Fettered
Later
Open the hidden closet in Home as The Forgotten.
After: The Forgotten, The Polaroid, A Strange Door

Stage 6

Polished Bone
Later
Defeat Isaac, ???, Satan and The Lamb as Tainted Forgotten.
After: The Fettered, The Womb, The Polaroid, The Negative