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Type: Charged
Quality: D Quality Item.png
Magazine Size: 1
Max Ammo: Infinity.png
Reload Time: 1.0s
DPS: 50
Damage: 100
Fire Rate: 0.20
Charge Time: 1.0s
Range: 2.5
Force: 120
Sell Creep Price: 16 Money.png
Unlock Method: Purchase from Doug for 12 Hegemony Credit.png.
Introduced in: Supply Drop Indicator.png
Ammonomicon Entry
Batting .50
A standard baseball bat, modified to hit bullets instead of balls. Launches enemy projectiles back with a vengeance!

Nothing can happen until you swing the bat.

Casey is a melee weapon that increases curse by 2. Swinging the bat after a long charge-up will damage nearby enemies and reflect nearby bullets. The bodies of enemies killed by the bat will be launched and can damage other enemies.


  • Synergy.png Careful Iteration - If the player has Armor of Thorns, Shotgun Full of Hate, Nail Gun, or Eyepatch, Casey becomes spiked and fires a spread of 6 nails each time it is swung. When an enemy is hit with Casey they will become dark red and take damage over time.
    • These nails are affected by Shock Rounds.
    • This also changes the sound effect of "readying" Casey. This change also seems to be affected by Scattershot causing the new sound effect to multiply.
  • Casey will not reveal secret room walls, like any other infinite ammo guns.
  • If combined with Ghost Bullets, it will no longer be able to launch enemies on the first hit. However, it can launch enemies if multiple are hit.
  • Casey actually fires a short ranged invisible projectile that becomes visible with some bullet modifiers, like Cursed Bullets. Because of this, swinging it inside Bello's shop will anger him, even if no bullets are visibly being fired.
  • If combined with Flak Bullets, Casey will shoot three high damage pellets, making Casey more functional as a long range weapon. This is made even more deadly by the fact that enemies killed by these pellets will injure other enemies if the killed enemy is knocked into them. However, these pellets will not reveal secret rooms.
    • Reflecting any enemy bullet with Casey and Flak Bullets will cause it to split into multiple, smaller bullets.
  • Reflected bullets are affected by the player's bullet modifiers - Homing Bullets will give deflected bullets a chance to home in on enemies, Shock Rounds will cause deflected bullets to become electrified, and so on.
  • Cannot be fed to Munchers.
  • Casey can deflect the High Dragun's rocket attack, but the deflected rocket will not deal damage.
  • Most explosive enemies killed with Casey will have their explosion delayed to prevent unnecessary damage taken.
  • The Laser Sight will not appear when holding Casey.
  • The swing from the bat can reflect the bullet portals summoned by Killithid.
  • If the Bullet King or Old King’s Chancellor is hit with Casey from about a Casey’s length away, the Chancellor’s body will deal a large amount of damage to the boss it hits, killing both Bullet King and Old King in one hit.
  • If a High Gunjurer, or Apprentice Gunjurer is killed by Casey at the exact moment it launches its attack, the attack will be duplicated and a second layer of bullets is launched right behind the first.
  • If Casey is swung during a Revolvenant's single arm attack, their whole arm will be reflected back, dealing massive damage.
  • Casey can deflect bullets from companions back at them.
  • If combined with Scattershot, Casey will hit multiple times with only one swing.
  • Due to Casey dealing 100 damage on direct contact, it can instantly kill most enemies.
  • Because of Casey's high base damage, and the boss DPS cap not applying to anything that deals over 1000 damage, it can one-shot bosses with enough damage increases like Metronome and Spice.

In-game Footage


  • This weapon is a reference to the poem Casey at the Bat, written in 1888 by Ernest Thayer.
    • This weapon is a reference to the Casey Bat from Earthbound, which is also named after the poem. This is supported by the high damage of the weapon; Gungeon's Casey has the same damage as the S-Tier AU Gun, and in Earthbound, the Casey Bat is the highest damage weapon for Ness.
  • This might also be a reference to Casey Jones, a character in the Teenage Mutant Ninja Turtles known for fighting with various sporting goods, such as hockey sticks and of course, baseball bats.
  • This gun is among those Gunsling King and Manservantes can challenge the player to clear a room with.
  • The top half of the bat is a shotgun shell casing, making its name a pun.
  • The quote "Nothing can happen until you swing the bat." is from FLCL.
  • The tagline “Batting .50” is a reference to .50 caliber bullets and Batting Average in baseball (a theoretical 0.500 being impossibly good).
  • The fact that the weapon increases curse while being carried stems from the Gungeon rejecting melee weapons.
  • Casey's swing actually fires a transparent short-ranged projectile, as can be demonstrated with Orbital Bullets. When the bat is swung near a wall, causing the invisible shot to strike the wall, the shot will orbit, extending its range and allowing it to attack through walls.
  • Casey has taken on meme status among the game's community, being one of the game's most famous weapons.
  • Usually, opening a chest containing Casey causes it to appear on the right side of the chest, instead of the center.
  • During the Final phase of his fight, the Resourceful Rat uses Casey against the player. Even if the player has Casey, The Rat will still use it and the player will be unable to.


See also