A free and open-source Touhou Project fangame
A promising chess program
Mastermind clone for DOS
A very polished puzzle game. (Puzznic Clone)
An "intelligent" arkanoid clone
Minecraft clone written in C using modern OpenGL
A little Bomberman clone programmed in C using SDL
tetis clone for GTK+2.x
EFL minesweeper
Free and open source FPS based on Quake III Arena