A classical space shoot 'em up game, freeware, opensource, using OpenGL/SDL.
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.)
A classical space shoot 'em up game, freeware, opensource, using OpenGL/SDL.