The Blue Map is an unlockable passive item.
- Blue Map will display the additional Secret Room granted by Fragmented Card.
- Blue Map will display the additional Secret Room and Super Secret Room by Luna.
- Blue Map does not display Ultra Secret Rooms.
- This item is used in Cursed! (challenge #10).
- In the original game, Treasure Map revealed the location of secret rooms as well. Evolving to Rebirth, this effect, along with the added revealing of super secret rooms, now belongs to this item instead.
|Donation Machine Unlocks|
|The Binding of Isaac: Rebirth|
|Achievements||Attributes||Bosses||Cards and Runes||Challenges||Chapters|