engine

LeakNet is a patch for the leaked Half-Life 2 beta build in 2003.

OpenGL code for virtual reality applications and computer graphics education

Open Source OpenGL C++ Engine

Mirrored from https://github.com/congard/algine

An open-source GoldSrc engine clone (Clean authentic reimplementation without using reverse-engineered code)

GPL-licensed HLSDK (reimplemented using the original Quake engine and manually rewritten sources)

Further adventures of OGS Engine in Modernland (Alternative way of GoldSrc engine evolution)

Gamebryo engine (Bethesda's branch) reimplementation https://www.moddb.com/engines/sugarbombengine

https://ochess.fr/

A little 2D/3D game engine not pretentious.

Basic engine components. Ecc, Core, Engine, Shaders and 3rd party dependences.

A stupid toy chess engine

Quake (id Tech 2) engine with forged internals

a program that plays the "2048" game

Quake 3 (id Tech 3) engine with forged internals

Valve's 2010 Game Ported to CSGO Engine

The eternal hobby engine project focusing on integrating many advanced rendering techniques into a single whole. High emphasis on performace.

Data driven game engine.

Zevra 2 is UCI chess engine