A free 3d game for PC that does not limit the player. Fight,Build,Gain
realistic driving simulation + functions for 2D/3D graphics
A real-time 3D Engine written in Ada
Vivid3D is an open-source 3D engine with powerful 2D UI.
3D Scene Builder
Heros of Jin Yong 3D Remastered
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Vivid is a modern C++ 3D engine using OpenGL4+
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Go 3D Game Engine
Chess program
Cinema Enters Game Console
DOOM / Heretic / Hexen source port with enhanced graphics and UI
ZED OS the clone of Windows XP
Data-oriented and data-driven game engine written in Rust
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
Character animation system for games and simulations.
Blueshift is a cross-platform 3D game engine implemented in C++