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Barrels or Barrel Barrier is a power-up featured in Dead Ops Arcade and Dead Ops Arcade 2: Cyber's Avengening. Picking up the power-up will spawn two barrels that will rotate around the player, killing any zombies they come into contact with, like the Electric Orb power-up. The Barrels last 20 seconds; when the time is up, the barrels with launch away from the player, again, killing any zombies they come into contact with. Note when the barrels are launched, it is possible to see water come out of them.