Spelunky Wiki

The Plasma Cannon is a devastating ranged weapon that shoots bright, explosive projectiles.

The easiest way to obtain the Plasma Cannon is by stealing it from its guaranteed spawn in the Mothership, using bombs to remove the Forcefields protecting it or killing Lahamu to deactivate them.

It can also be found in shops owned by Tun, Ghists, or Cavemen, and there is also an extraordinarily rare 1 in 10,000 (0.01%) chance of finding one in a crate.


The Plasma Cannon, as found in The Mothership.

The Plasma Cannon is the most powerful weapon in the game, capable of demolishing entire levels and turning most common enemies into smoldering chunks.

When fired, it will launch the player an entire four tiles back with its recoil after shooting a massive ball of plasma. This recoil is strong enough to launch the player off ropes, ladders, and even from the backs of Mounts.

When the plasma ball directly hits an object, it will deal a massive 21 damage, exploding with the same radius of a bomb. Afterward, the light on it will flash red and green for 2.5 seconds before being ready to fire again. The user should keep in mind that the plasma ball specifically deals 10 contact damage, 10 splash damage, and 1 fire damage, which totals up to 21 damage.

If used in conjunction with a Powerpack, it will instead be able to fire after 1 second of recharging, and launch the player back only two tiles (none if they are riding a mount), massively increasing its effectiveness.

The Plasma Cannon explodes if it is crushed or makes contact with lava while not held in a player's hands. This explosion has the same potency as that of a bomb upgraded by the Powerpack, destroying up to three tiles in every direction.


The Plasma Cannon's massive capabilities for destruction make it an incredibly valuable tool to the player, allowing them to destroy traps and monsters with ease. This is even more so the case in high score runs, where it can uncover massive quantities of treasure from the ground at little cost.

  • With both its explosive capabilities and excessive recoil, the Plasma Cannon is as much of a threat to the player as it is to enemies. An incautious player can easily get themselves blown up by the projectile or lurched back into a dangerous position with the recoil.
    • Ideally, a player should be against a wall and at least 2 tiles away from the desired target before firing in order to minimize risk when using the Plasma Cannon.
  • One should be extremely vigilant of forcefields, robots, and other hazards that may reflect the Plasma Cannon's projectile back at the user, which would likely kill them instantly or put them in a dangerous situation.
  • The Cannon's projectile can and will hit corpses in its line of fire; the user should account for the bodies of enemies before firing.