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Game Cannon Universe online.
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Cannon Universe (Cannon Universe)
Earthlings knew in advance that spaceships would soon attack our planet, and they prepared as best they could. According to the scientists' plan, a powerful cannon was launched into orbit, which was supposed to destroy the flying saucer as it approached. In Cannon Universe you must control this powerful cannon to prevent the destruction of an evil alien planet. Point it at every ship approaching orbit and shoot it to make sure there is nothing left of it. Don't let them shoot rockets, throw bombs or blow up the world with laser beams in Cannon Universe.
