Binding of Isaac: Rebirth Wiki
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Bombs are used to damage enemies, destroy rocks, and open up regular doors and Secret Rooms. When spawned, it can be replaced by a Troll Bomb instead.

(except in Repentance) Isaac's bombs deal 60 damage to enemies and one full heart of damage to himself.

(in Repentance) Isaac's bombs deal 100 damage to enemies. Bomb explosions pierce enemy armor.

Bomb ID Image Worth Additional Info Unlocked By
Bomb 5.40.1 Bomb 1 Collectible BOGO Bombs iconBOGO Bombs, Error: The given collectible ("Humbling Bundle") does not exist., and (in Afterbirth † and Repentance)Equality!Equality! can replace this with a Double Bomb.
Double Bomb 5.40.2 Double Bomb 2 Grants two bombs.
(except in Rebirth) Golden Bomb 5.40.4 Golden Bomb Will not add to the player's bomb count, but when picked up, it will give the player unlimited bombs for the duration of the current floor, even if the current number of bombs is 0. Gold Bomb Complete Blue Bomber (challenge #23)
Troll Bomb 5.40.3 Troll Bomb 0 Cannot be picked up. Spawns already ignited and will explode after a few seconds.
(except in Rebirth)Safety ScissorsSafety Scissors will turn this into a Bomb before it explodes.
(in Repentance)Golden Troll Bomb 4.18 Golden Troll Bomb 0 Similar to troll bombs, spawns already ignited and cannot be picked up. However, it explodes endlessly, similar to unlimited bombs of the golden bomb pickup.
(except in Rebirth)Safety ScissorsSafety Scissors will turn this into a Golden Bomb before it explodes.
Megatroll Bomb 5.40.5 File:Megatroll Bomb.png 0 Like Troll Bombs, but are bigger (like bombs upgraded with Collectible Mr. Mega iconMr. Mega) and will chase Isaac if they are nearby (as if under the influence of Collectible Magneto iconMagneto).
(except in Rebirth)Safety ScissorsSafety Scissors will turn this into a Double Bomb before it explodes.
(in Repentance) Giga Bomb 5.40.7 Giga Bomb 1 Thrown by certain enemies in Ashpit. Explodes and destroys tiles in a diamond shape.
Can be obtained by the player with (except in Rebirth)Safety ScissorsSafety Scissors or (in Repentance)Collectible Everything Jar iconEverything Jar.
(in Repentance) Throwable Bomb 5.41 Throwable Bomb 0 Can be picked up and thrown. Spawned by the Bomb Grimace enemy

Notes

  • (except in Rebirth)Troll Bombs explode after a random amount of time. This means that if two Troll Bombs spawn at the same time right next to each other, there's a high chance one Troll Bomb will blow up before the other, sending that Troll Bomb sliding outwards a bit before exploding.
  • (in Repentance)Giga Bomb explosions will never destroy tiles in front of room exits.
  • Collectible Pyromaniac iconPyromaniac is a good resource for gaining health via explosions. Also, damages enemies, explodes obstacles and opens Secret Rooms like a normal bomb would do, so it's a huge boost to bombs.
    • Megatroll Bombs are very useful as instant health, as they chase you, they help you not needing to find a bomb/Troll bomb to heal that might have already exploded.
    • You can heal yourself infinitely with Golden Troll Bombs, as they never stop exploding, however to healing at full 12 hearts it might take a while as Collectible Pyromaniac iconPyromaniac (in Repentance)heals half hearts instead of (except in Repentance)one full heart, this could be an useful resource as it's free health.
    • With Collectible Remote Detonator iconRemote Detonator you can place bombs and use them as remote health, like some sort of emergency use health.
    • With(except in Rebirth)Safety ScissorsSafety Scissors, Collectible Pyromaniac iconPyromaniac can be used to grab Troll bombs like it will always do and use them to heal later.

Unlockable Achievements

Trivia

  • Troll Bombs are a reference to Trolling, an internet term for tricking or messing with one psychologically.
    • The faces on Troll Bomb depict the Trollface, a face commonly associated with internet trolls and trolling.
  • Megatroll Bombs are spawned by Super Wrath, Super Pride, War (black Champion), and sometimes Little Horn.
  • In the original game, Megatroll Bombs can't be blocked by obstacles or non-piercing tears, will follow the player at any distance, and are much faster.


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