A strategy game with a high fantasy theme
GEDKeeper - opensource and crossplatform genealogy management program
Enigma is a puzzle game
An isometric arcade-style game of skill, puzzles and exploration
Cross-platform real-time strategy game (3D)
RTSish Game Engine
2D Open Source MMORPG
Heros of Jin Yong 3D Remastered
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
2d turret shooter
Pioneer, a space adventure game in the 31st Century Milky Way galaxy
Oblige is a random level generator for classic FPS games
3D-Accelerated open-source DOOM engine
EDGE is an advanced DOOM source port
A fun and challenging RPG game