Open source simulation game based on Transport Tycoon Deluxe
A multi core friendly rigid body physics and collision detection lib
Complete Open Source and Modular solution for MMO
An open source re-implementation of RollerCoaster Tycoon 2
Cross-platform 2D and 3D game engine with modular architecture
A game engine with an emphasis on real-time cutting-edge solutions
Enigma is a puzzle game
A free transportation simulator game
A sandbox game about giving your mannequin a wedgie.
3D racing game with Sci-Fi elements and Track Editor
A fast-paced free software rally racing game
Old style soccer game with many exciting features
RTSish Game Engine
A modification for Janes USAF
SpaceStations, StarShip Division.
Opengate is a Jumpgate remake
C++ OpenGL 3D Game Dev Lib [moved to: play.ru.net/src]
C++ lightweight cross-platform game engine
3rd Party Video Games Developer: MetalManGames, titles of games