Head tracking app for games and flight simulation software
A nonsense activity generator
A downloadable game for Windows, macOS, and Linux
Open source clone of Theme Hospital
3D game engine/framework in C, with Luajit and Python bindings now
Engo is an open-source 2D game engine written in Go
A pure Go game engine
Enigma is a puzzle game
FLTrator is a retro style scrolling arcade game using FLTK.
Orx: Portable Game Engine
3D OpenGL dungeon game using Ada: a tribute to Narbacular Drop
ASCII SpaceInvaders, Pacman, Frogger, + 10 puzzles
Sokoban with many families of puzzles provided.
cross-platform sound-playing package for C++ apps
ASCII SpaceInvaders, Pacman, Frogger
3D Multiplayer Hover Soccer
Klotsky class block slider puzzles.
kid-friendly retro point & click 3D OpenGL "adventure" game
DeSmuME is a Nintendo DS emulator
Character animation system for games and simulations.
Tangram game
Open Game Bootstrap
Paintown is a 2d fighting game engine.