FREE: CounterAttack [Steam Key]

The listing, CounterAttack [Steam Key] has ended.

* * * GAME ON EARLY ACCESS * * *

CounterAttack is a scrolling space shooter with lots of upgrades and interesting levels.

Earth is under attack! The Automations, humanity's own creation, have rebelled. They will stop at nothing short of the complete destruction of their former masters. There is but one hope, the experimental space fighter program. Fight solo or team up for intense coop action, 1 - 2 player locally or 1 - 4 players online, unlock upgrades, use powerful ultimate abilities, enhance your ship the way you want, and save the Earth from annihilation.

More info: http://store.steampowered.com/app/451600/
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This game works on mac and linux too! Also includes steam trading cards

Good Luck!