0 A.D. is a free, open-source, cross-platform real-time strategy game.
Retro style, multi-platform soccer game
Scripts and tools for building and testing chess engines.
A simple cross-platform game engine for creating old-school 2D games
W3LuaEnv is a free tool for Warcraft III modders
Internet server for Linux Air Combat
God of War Gameplay Tweaks
Useful code for using the BBC:MicroBit with model railways
Chess program
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
A java 3d simple virtual celestial globe. Source code available
Offline tarot reading app with custom card sets and Rider Waite
A free Chess program for Windows with a large set of features
Sokoban with many families of puzzles provided.
A free 3d game for PC that does not limit the player. Fight,Build,Gain
Amateur 3D Game Engine
OgreWin3D
Maze creation, solving, exploration, and analysis
Here we're trying to create the easiest open-source game engine.
Game engine supporting many 3D/2D formats and graphic effects
Fast small FPS using JOGL and JOAL
A promising chess program
Media Player and Media Tool Kit for Linux using Kulina Graphics
Free, open source game engine online