CTFs as you need them
Gideros Release version
A 2D game engine and level editor
Open Game Bootstrap
A project of simulating everything and presenting the result.
A generic 2D engine for any kind of game
AutoTeach makes kids study and learn in exchange for internet access.
Generates a menu in an AMXX plugin
C-Lesh is a game programming language for 2D games.
Fully fledged steam community SDK
SDK for Resident Evil Games
Cross-platform 2D game engine
The next generation mud is an open-source extensible, programmable mud