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Critical Mass (aka Critter) is a shoot'em up (smup) similar to Galaxian. The basic idea is simple: you move your ship back and forth at the bottom of the screen, shooting up, while bad guys fly around and shoot at you.
Linux · Dec 9, 2001
Worldwide · Exact date · IGDB
PC (Microsoft Windows) · Dec 9, 2001
Worldwide · Exact date · IGDB
Mac · Nov 4, 2004
Worldwide · Exact date · IGDB
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