FREE: Shadowgrounds [Steam Key]

The listing, Shadowgrounds [Steam Key] has ended.

Shadowgrounds breathes fresh air into the action genre with explosive combat sequences, an innovative weapon upgrade system, and an intriguing storyline. The adrenaline-pumping, top-down gameplay and audiovisual fireworks set the scene for this new action experience which also includes single computer (split keyboard or joystick) co-op play.

UPGRADE THOSE WEAPONS! Use a devastating arsenal of high-tech weaponry to dispose of the alien threat. Each weapon has multiple upgrades that maximize the carnage. Unleash the flames of the Flamethrower's Fuel Trap, cause mayhem with the Grenade Launcher's Poison Grenades, slash and dice the monsters with the Laser Rifle's Pinpoint Laser - and many more!

More info: http://store.steampowered.com/app/2500/
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Get amazon gift cards and steam games just for play flash games ;D http://www.tremorgames.com/?ref=4043
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This game works on mac too!

Good Luck!