Planimeter Game Engine 2D - LÖVE-based game engine for Lua
3D-Accelerated open-source DOOM engine
EDGE is an advanced DOOM source port
Game engine for playing tomb raider 1 - 5 levels.
2D ARPG Engine
starrydb is game server engine
IRB is a game creation toolkit
3d Reversi game
Babylon 5 in Homeworld 2!
A space game in the Hoshikaze 2250 universe, built on the NAEV engine
c# lua bind with unity3d project for game development
A fantasy real time multiplayer strategy game with player scripted AI
A free engine for C&C Tiberian Dawn
A Simple Game Engine
A retro style video game engine for RPGs and adventure games.