Pontoon in c - source code and header file
The Atomic Game Engine is a multi-platform 2D and 3D engine
Alpha One is based on Vallheru
online 4X browser game engine
A little game I strung together using Unity 5
A snarky 2D management game about building and running a dungeon.
Source code of a text adventure game.
Blackjack skill and card counting training
In case the official files don't get updated, try these ones. B-)
Advanced rhythm game for Windows, Linux and OS X
Web based Game server control panel
Tournament Generator Application (GT)
Quake C mods and support - SSQC / CSQC
The best code this side of the galaxy
The most powerful media player for video, audio, DVD & online videos
tiny code, html webcam game or plug brain in each blob, java server
Edition of football teams on HTML canvas- javascript source
A public domain cross platform 3D game
3D .NET engine for Windows, Linux, Mac
Highly portable Gameboy Color emulator
Reenactment of the classic Atari 2600 game
Doom (Shareware) Installer for Windows x64 platforms.