The imaginary eight-bit machine
A fun realistic multiplayer free-and-open-source first-person-shooter!
8-bit Graphical API for Java
A cross platform Lua based game engine
Opensource Game Studio
Character animation system for games and simulations.
Y.A.G.A.C is a free open-source platformer game
Low-Level Game Engine for Retro Platforms
Portable game engine with main focus on point-and-click adventures
Free MMORPG
SJCE - free portable cross-platform graphical chess game, 100% Java.
3D-Accelerated open-source DOOM engine
Build Cross-platform Applications
Dizzy Omega - sequel of Dizzy Y game
3D driving simulation based on Open Dynamics Engine