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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

Bloody Lust

Defeat Isaac as Samson.

In-game: “Unlocked a new item.”

Sources:Achievements Cathedral Isaac (Boss)

0 of 3 doneNext: Samson

x

Stage 1any order

Samson
Next up
Complete 2 floors in a row without taking damage.
In any run, clear 2 floors in a row without taking any damage.
Sources:Achievements Samson
The Womb
Ready
Defeat Mom.

Stage 2

Bloody Lust
Later
Defeat Isaac as Samson.
After: Samson, The Womb