Binding of Isaac: Rebirth Wiki
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1up! is a passive item.

Effects[ | ]

  • Gives Isaac an extra life. Upon death, he will respawn in the previous room with full health, after which 1up! will disappear.
    • If Isaac has no Red Heart Containers, he'll respawn with a Half Soul Heart instead.
  • The 1up! mushroom begins following Isaac like a familiar upon pickup, but doesn't do anything. It disappears when its life is used up.
  • (except in Rebirth) This item belongs to the Fun GuyFun Guy set. Collecting three items from this set will transform Isaac into a walking mushroom.

Notes[ | ]

In-game Footage[ | ]

Trivia[ | ]

  • This is a reference to the Super Mario franchise, wherein collecting a green mushroom would give you an extra life.


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