Skip to content

Isaac Progression

FinderUnlock finder
CharactersCharacters
MapMap
ProgressMy progress

Browse:Items Bosses Floors Challenges Endings

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

Big Baby

Defeat Mega Satan as Lilith.

In-game: “Unlocked a new co-player baby.”

Sources:Achievements Mega Satan

0 of 6 doneNext: The Womb

x

Stage 1any order

Azazel
Ready
Make 3 deals with the Devil in one run.
The Womb
Next up
Defeat Mom.
Reach Depths II and defeat Mom.
Sources:Achievements Womb

Stage 2any order

Lilith
Later
Defeat Ultra Greed as Azazel.
After: Azazel
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

Big Baby
Later
Defeat Mega Satan as Lilith.
After: Lilith, Angels, The Womb, The Polaroid