Claustrophere
This 3D space shooter traps you in a sphere of death and tosses endless waves of hostile shapes at you. It seems simple at first, but as the sphere fills up it will really tax your reflexes. It's pretty fun, check it out.
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Echoes
It's like Asteroids. It's like Geometry Wars. It's awesome. Now with Crack!
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Galax
Galax is a cool vertical shooter from Japan that lets you punch in combos to hack into enemy ships.
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Above: Echoes sports some super psychedelic shapes and requires Zen-like reflexes

RS-6
Fly through five maddeningly difficult levels in this short - but sweet - vertical shooter. 4 player co-op is available too.
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Rumble Box
This would be the goriest game ever if it wasn't for the fact that everyone's made of cutely shaded cubes and spheres. Beat everybody down and scale mountains of corpses to advance.
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Trash Gordon
Pilot your trash truck ship - that looks like the Eagle 5 from Space Balls - and collect the debris from fallen enemies to power up your trash attacks.
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