A certain block game
Noob-proof (N)3DS Custom Firmware
One framework for creating powerful cross-platform games
N64 Game-Engine and Editor using libdragon & tiny3d
An unofficial PC port of the Xbox 360 version of Sonic Unleashed
A tool for converting Xbox 360 shaders to HLSL
A dead simple 2D game engine for Go
Free game engine for development of desktop, mobile, and web games
Horse racing simulation
GameBoy clone
An open-source Phantasy Star Online server for *nix
collection of ASCII puzzles that run in a commandline terminal.
NetHack made ready for internationalization
A promising chess program
Modern Windows-optimized fork of the FCEUX NES/Famicom emulator.
Turn your phone into a wireless Xbox controller via any web browser.
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
Motor de juegos de aventura programable
Combat Flight Simulator for LINUX. WW2. Network and VOIP. Open-source.