GB Bug

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Font TeamMeat G.pngFont TeamMeat B.png   Font TeamMeat B.pngFont TeamMeat u.pngFont TeamMeat g.png
Item icon
Item altar
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Added in Afterbirth †(page 4, column 20, row 2)
Removed in Afterbirth †(page 4, column 20, row 2)

GB Bug Defeat Ultra Greed as Eden
Added in Afterbirth

GB Bug is an unlockable passive item added in The Binding of Isaac: Afterbirth.

Effects[edit | edit source]

  • Spawns a familiar that bounces around the room, deals 8 damage per tick or 120 damage per second and applies a random status effect to enemies it comes in contact with.
  • The familiar also has a chance to re-roll pickups that it passes over into other pickups, chests, or items, in an uncleared room only (with at least one enemy alive).

Notes[edit | edit source]

  • GB Bug can block projectiles.
  • GB Bug does more damage per second than The Peeper The Peeper, with the added random status chance.

In-game Footage[edit | edit source]

Trivia[edit | edit source]

  • This item's in-game appearance may be a reference to "Missingno.", a famous bug occurring in the first Pokémon games.
  • As Edmund confirmed on Twitter the pickup quote "Game breaking bug, right away!" is a reference to a quote by Phil Fish in Indie Game: The Movie, where he says the same words when a bug is discovered in FEZ on the first day it is being shown at PAX.

Seeds[edit | edit source]

 PC  Removed in Afterbirth † Hard mode only 9B7E 3G67 (Treasure Room adjacent to spawn, curse of the labyrinth)

 PC  Removed in Afterbirth † Normal mode only GZWT H4LE (First floor Treasure Room)

 PC  Added in Afterbirth † Normal and hard modes only 44W2 XHJ8 (Treasure Room adjacent to spawn)

Eden Unlocks Eden Unlocks Eden Unlocks
Blank CardBook of SecretsMysterious PaperMystery SackUndefinedGlitch Baby Eden's BlessingGB BugYellow BabyCracked Baby Eden's SoulMetronome
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