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Underground Invasion

Game description:
Upgrade your weapons and defenses to fight off the legion of evil creatures  that attempt to destroy the protective bars that separate the city, from the sewers. Use mouse to aim, press left mouse button to Fire, R to reload, A to select weapons, upgrades and repair during combat, P to pause. Numbers 1 through 5 to choose a weapon (once purchased). Play the game free, rate it and share it to your friends using Facebook, Twitter, StumbleUpon or other Social Network. Enjoy playing Underground Invasion game!

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