XVIII - The Moon?
CardRepentanceLocked
How do you unlock XVIII - The Moon??
In The Binding of Isaac, XVIII - The Moon? is unlocked by earning the Ultra Greedier completion mark as Tainted Jacob on hard mode.
Structured pathSource-backed requirements are mapped into trackable steps.
Teleports Isaac to the Ultra Secret Room. The pathway back to the normal rooms will be made of Red Rooms.
What unlocking XVIII - The Moon? leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13