Binding of Isaac: Rebirth Wiki

Mini Mush is a passive item.


  • +0.3 speed.
  • Removed in Repentance -4.25 range.
  • Removed in Repentance +1.5 tear height.
  • Added in Repentance +1.50 range.
  • Decreases Isaac's size, making him less likely to be hit.
  • Added in Afterbirth This item belongs to the Fun Guy set. Collecting three items from this set will transform Isaac into a walking mushroom.


  • Removed in Repentance Even though the range stat is decreased, the effective range is slightly increased due to the changes to the hidden shot height attribute.


  • Removed in Repentance Dr. Fetus Dr. Fetus: Effective range is decreased since shot height does not affect Dr. Fetus.

In-game Footage[]


  • This item and its effects are likely a reference to the Mini Mushroom of the Super Mario series.


PC 7LV8 H31H (Treasure Room adjacent to spawn).

PC 8LZ0 HV2K (Treasure Room adjacent to spawn, Magic Mush on next floor, and Odd Mush (Large) in crawlspace next to the tinted rock to the right of second item room).

PS4 Hard mode only LK2Y MPAS (North of spawn room)