Head tracking app for games and flight simulation software
Enables Roblox developers to use professional software tools
Open source clone of Theme Hospital
Desktop/Android/HTML5/iOS Java game development framework
3D game engine/framework in C, with Luajit and Python bindings now
A nonsense activity generator
A pure Go game engine
3D Procedural Game Engine Using OpenGL
Enigma is a puzzle game
Sokoban with many families of puzzles provided.
Orx: Portable Game Engine
3D slider puzzles for kids; helps teach solid geometry
Klotsky class block slider puzzles.
A free 3d game for PC that does not limit the player. Fight,Build,Gain
A promising chess program
kid-friendly retro point & click 3D OpenGL "adventure" game
3D OpenGL dungeon game using Ada: a tribute to Narbacular Drop
cross-platform sound-playing package for C++ apps
ASCII SpaceInvaders, Pacman, Frogger
FLTrator is a retro style scrolling arcade game using FLTK.
Engo is an open-source 2D game engine written in Go
Skyscrapersim Abandoned