Quake PAK file utility
A cross platform Lua based game engine
3D .NET engine for Windows, Linux, Mac
Single-/multi-player card game Mau Mau (similar to UNO®)
Gives agents personality, moods, emotions and emotional attachments.
A generic 2D engine for any kind of game
C library for manipulating Minecraft world data
A tool for editing OHRRPGCE RPG files
Little game background framework in java.
Cross-platform reimplementation of AMOS BASIC (runtime)
also download updates from files section