Head tracking app for games and flight simulation software
Open source clone of Theme Hospital
3D game engine/framework in C, with Luajit and Python bindings now
A nonsense activity generator
A pure Go game engine
cross-platform sound-playing package for C++ apps
Enigma is a puzzle game
3D slider puzzles for kids; helps teach solid geometry
Sokoban with many families of puzzles provided.
Orx: Portable Game Engine
Offline tarot reading app with custom card sets and Rider Waite
Klotsky class block slider puzzles.
3D OpenGL dungeon game using Ada: a tribute to Narbacular Drop
kid-friendly retro point & click 3D OpenGL "adventure" game
ASCII SpaceInvaders, Pacman, Frogger
FLTrator is a retro style scrolling arcade game using FLTK.
3D Multiplayer Hover Soccer
defunct, get SliderPuzzles or RetroArcade, instead
Engo is an open-source 2D game engine written in Go
DeSmuME is a Nintendo DS emulator
Joystick mapping for OSX
Character animation system for games and simulations.
Gets the critical information you need to succeed in League of Legends
Tangram game