DeSmuME is a Nintendo DS emulator
Naev is a 2d action/rpg space game, action, rpg and simulation
A cross-platform, open-source, pure C game engine for mobile game
The flexible game engine
3D game engine for C and C++
Solo - Solitarie is a simple game about the Solitarie board game.
A fork resurrecting NewWolf (Wolfenstein 3D for OpenGL on Windows)
Small and minimalistic text-based hack 'n slash RPG
Free and open source FPS based on Quake III Arena
Count-Down Timer