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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

Glass Cannon

Complete The Family Man (challenge #19), defeat Lokii, and unlock Judas and It Lives!

In-game: “Unlocked challenge #11.”

Sources:Achievements Challenges Glass Cannon (Challenge)

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

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
Loki's Horns
Later
Defeat Lokii.
After: The Womb
The Polaroid
Later
Defeat Isaac 5 times.
After: The Womb
Isaac defeats0 / 5

Stage 3

Angels
Later
Complete Chapter 6 (defeat ??? in the Chest or The Lamb in the Dark Room).
After: The Womb, The Polaroid

Stage 4

Dad's Key
Later
Pick up both Key Pieces from the angels in one run.
After: Angels

Stage 5

The Family Man
Later
Pick up both Key Pieces from the angels in one run and defeat Mom's Heart 11 times.
After: Dad's Key, It Lives!

Stage 6

Epic Fetus
Later
Complete The Family Man (challenge #19).
After: The Family Man

Stage 7

Glass Cannon
Later
Complete The Family Man (challenge #19), defeat Lokii, and unlock Judas and It Lives!
After: Epic Fetus, Loki's Horns, Judas, It Lives!