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You're now playing Palisade Guardian 3 online for free at HYPEGAMES. Defend some of the United States greatest cities against waves of aliens in Palisade Guardian 3! Palisade Guardian 3 has a rating of 83.7 out of 100 after 15138 plays by gamers like you. We have a lot more shooting games online like Palisade Guardian 3, check them out! Remember to bookmark HYPEGAMES and come back everyday for new Flash games.