RetroArch is a frontend for emulators, game engines and media players.
3D Engine c++
A MUD client for Android, iOS, Linux, Mac OS X and Windows
Orx: Portable Game Engine
JavaScript framework to build game engines, games, emulators and apps
Old style soccer game with many exciting features
A cross-platform interpreter for many point-and-click adventure games
A romanian translation of ETR with no diacritics
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
c# lua bind with unity3d project for game development
Original turn-based strategy wargame & boardgame
Command shell & program launcher - for the Apple II
Upload games to legacy apple // computers via serial and no floppies!
Play52 is a card game designed for iPhone and the iPod and PC