The Graverions have had enough of peace, and they decided to invade your homeland!

Because being a slave isn't exactly your cup o' tea, you decided to "borrow" the governments finest space ship to blast 'em to smithereens.

Do you have what it takes to kick alien butt?

Tags: gravertious, space, ship, spaceship, gravity, fun, addicting, demo, shoot, em, up, shump

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