HyperNoids is a simple retro shoot-em up. It's written in C/C++ with the allegro game programming library. For windows and linux, although the Windows port is less stable.
2D video game with particular gameplay mixed from solar striker and tower defense. Top camera, shoot incoming enemies, buy weapons, put automatic turrets, proceduraly generated terrain with tunable object densities...
Happy Puppy is a complete side-scrolling game. It uses DirectX for graphics, sound, and input. In addition, it uses André LeMoth's "game engine" from TOTWGPG. Uses Microsoft Visual Studio (VC++) for project management.
Cylindrix is a fast paced 3d space shooting game much like star wars tie fighter. Battle the opposing team in a revolving cylinder in many different landscapes.