Cross-Platform C++ 2D/3D game engine
Desktop/Android/HTML5/iOS Java game development framework
Open-source engine for Heroes of Might and Magic III
A tool for recompiling Xbox 360 games to native executables
UCI chess engine
Flax Engine, multi-platform 3D game engine
The game engine for everyone
Solar2D Game Engine main repository (ex Corona SDK)
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Home theater software and entertainment hub for digital media
3D modeler, 3D game maker, 3D demo maker
... the open-source glide computer
2D game development library for Ruby and C++
Urho3D Game engine
A 2D game engine and level editor
Character animation system for games and simulations.
Most elegant 2048 puzzle with game fields 4x4 8x8 16x16 for Windows
Blueshift is a cross-platform 3D game engine implemented in C++
Have fun with a variety of Christmas Snow Scenes
Cute 3D animated piglet who lives inside your phone
Decorate your own virtual Christmas Tree
Solve the puzzle with dry branch and see how beautiful it will bloom
Realtime 3D engine for game development
Open-source, cross-platform, C++ game engine for creating 2D/3D games