A fast-paced free software rally racing game
3D Game engine with editor
3D playground built on three.js and cannon.js
Modern 3D engine and IDE written using C# and C++.
A fun realistic multiplayer free-and-open-source first-person-shooter!
a webgl Cesium 3D flight simulator
Cross-platform 2D and 3D game engine
IGS Labs
Opensource Game Studio
Character animation system for games and simulations.
Y.A.G.A.C is a free open-source platformer game
Blueshift is a cross-platform 3D game engine implemented in C++
Legandary Story of the Zarakite
Children's learning programming language Karel the Robot in 3D
Portable game engine with main focus on point-and-click adventures
3D-Accelerated open-source DOOM engine
Dizzy Omega - sequel of Dizzy Y game
3D driving simulation based on Open Dynamics Engine
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
EDGE is an advanced DOOM source port