Reveals all rooms for every floor, including the Secret Room (no longer in Rebirth). However, it does not reveal icons or the Super Secret Room.


Does not work if Curse of Darkness is active.


  • Together with The Compass, every floor will be fully mapped out (except for the Super Secret Room). This allows players to plan their routes and is especially useful in the chapters The Womb and onwards.
    • Note that The Compass will no longer show Greed or Super Greed in the Secret Room due to the fact that it is shown by a question mark instead of a Mini-Boss icon.


  • The Treasure Map is a reference to the treasure map from The Legend of Zelda, which has a similar effect.
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