Quake PAK file utility
RTSish Game Engine
2D Game Engine
Commander Keen Interpreter
Arcade platformer meets puzzle game.
Python ctypes module for the Irrlicht Engine SDK
Data-oriented and data-driven game engine written in Rust
Improved version of the X-Ray Engine, the game engine
A customizable 3D platform for agent-based AI research
Sdk library for creating 2048 game in c#.
ZED OS the clone of Windows XP
A fast-paced free software rally racing game
mGSTEP port of the Cube game engine
3D Game engine with editor
3D playground built on three.js and cannon.js
FreeCS is a free-software reimplementation of Counter-Strike 1.5.
Explore and dissect a complete brain model in VR
Engage is a free and open source space shooter game.
The imaginary eight-bit machine
JPHP - an implementation of PHP on Java VM