Alien war is a thrilling game with the concept of defense. You have to protect your castle with your upgradable guns and guided missiles from the invasion of alien troops. In each stage, you are supposed to destroy the invaders and earn as much gold as you can. Tower Defense Alien War is one of the amazing free games in friv2012.com. Try Tower Defense Alien War and Pick your best Friv 2012 game in the awesome long list with no charges.

Use Left Mouse button to Interact/Action,

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