Only you can defeat those pesky pirate spaceships! Crush their defences or all humans will end up abducted, dead or turned into centipede. Zerdian is a 2d twin stick shooter - you move with the left stick and shoot with the right stick. No geometry here - you fight real spaceships. You fly a piece of junk at first - don't worry - you'll get some cool new weaponry in no time. So gear up and get into the battle now! Features: - 2d twin stick shooter gameplay, like in Geometry Wars - Upgrades - Cool retro music - Leaderboards - Achievements - Game replays - Lots of cosmic battles and exploding alien ships