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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

Kidney Stone

Complete Onan's Streak (challenge #29).

In-game: “Unlocked a new item.”

Sources:Achievements Challenges Onan's Streak

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 2any order

It Lives!
Later
Defeat Mom's Heart 11 times.
After: The Womb
Mom's Heart defeats0 / 11
Judas
Later
Defeat Satan.
After: The Womb
Satan defeats0 / 1

Stage 3

Onan's Streak
Later
Unlock Judas and It Lives!
After: Judas, It Lives!

Stage 4

Kidney Stone
Later
Complete Onan's Streak (challenge #29).
After: Onan's Streak