XVII - The Stars
CardRebirthUnlocked
How do you unlock XVII - The Stars?
Verified starting unlockSource data confirms that no unlock is required.
Teleports Isaac to the Treasure Room. If there is a Planetarium, teleports Isaac there instead.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking XVII - The Stars leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13