A modern, cross-platform Quake game engine based on FitzQuake.
A cross-platform port of Hexen II game.
Hardcore 3D space shooter with spaceship upgrade possibilities.
0 A.D. is a free, open-source, cross-platform real-time strategy game.
functions for 2D/3D graphics + realistic driving simulation
Cross-platform real-time strategy game (3D)
Free MMORPG
3D driving simulation based on Open Dynamics Engine
Free 3D Roguelike action RPG
Three dimensional first-person space deathmatch!
collection of illustrative programs:small games, simulators: C, Matlab
3D game engine for C and C++
Scriptable frontend for media applications.
3D vehicle simulator based on Lagrangian dynamics to simulate dynamics
Game development toolkit
Nexuiz-Xonotic Client
realistic but simple flight simulator: exploration and casual landing