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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

The Stairway

Defeat Isaac as Jacob and Esau.

In-game: “Complete the Cathedral with Jacob and Esau.”

Sources:Achievements Cathedral Isaac (Boss)

0 of 5 doneNext: The Womb

x

Stage 1

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

Stage 2

Blue Womb
Later
Defeat Mom's Heart 10 times.
After: The Womb
Mom's Heart defeats0 / 10

Stage 3

A Secret Exit
Later
Defeat Hush 3 times.
After: The Womb, Blue Womb
Hush defeats0 / 3

Stage 4

Jacob and Esau
Later
Defeat Mother.
After: A Secret Exit

Stage 5

The Stairway
Later
Defeat Isaac as Jacob and Esau.
After: Jacob and Esau, The Womb