A classical space shoot 'em up game, freeware, opensource, using OpenGL/SDL.
The 1.0.0 version of Critical Mass for Linux (binaries).
The 1.0.0 version of Critical Mass for Windows (an executable without source files).
Source Files of the latest stable version of Critical Mass. (1.0.2 not 1.0.0, because it contains a bugfix for the Mac version.)
Source Files of the newest (2010's) version of Critical Mass.
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