RetroArch is a frontend for emulators, game engines and media players.
A dead simple 2D game engine for Go
Gideros Release version
GemRB is a portable open-source implementation of the Infinity Engine
Domination is a game that is a bit like the board game Risk
quiz game with spin wheel
Orx: Portable Game Engine
Game engine supporting many 3D/2D formats and graphic effects
the java game and entertainment runtime
computer opponent for the board game Blokus
INSTEAD - Simple Text Adventure Interpreter.
Old style soccer game with many exciting features
A promising chess program
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Classic arcade game remake of Swing Plus -Total Mindcontrol
3rd Party Video Games Developer: MetalManGames, titles of games
3D Multiplayer Hover Soccer
Character animation system for games and simulations.
Portable game engine with main focus on point-and-click adventures
Build Cross-platform Applications
Flash Quiz TV (A quiz game for all family)
An environment to develop games based on a rectangular board
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
Asphyre is a cross-platform framework for Delphi and FreePascal.