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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

Purist

Defeat Mom.

In-game: “Unlocked challenge #20.”

Sources:Achievements Challenges Purist

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Stage 1

Purist
Next up
Defeat Mom.
Reach Depths II and defeat Mom.
Sources:Achievements Challenges Purist