A cross-platform PSP emulator
SDL library for Android, including several games.
Desktop/Android/HTML5/iOS Java game development framework
A certain block game
Stream switch games to your PC via USB or network
UCI chess engine
Voxel game-creation platform with easy modding and game creation
The game engine for everyone
Home theater software and entertainment hub for digital media
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Cocos simplifies game creation and distribution with Cocos Creator
Solar2D Game Engine main repository (ex Corona SDK)
Diablo build for modern operating systems
Open-source engine for Heroes of Might and Magic III
Multi-platform 2D and 3D game engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Android, UIQ 3.0, Series 60 Edition 5 open-source software
... the open-source glide computer
3D Engine c++
3D modeler, 3D game maker, 3D demo maker
GemRB is a portable open-source implementation of the Infinity Engine
GLScene Engine for Delphi & C++Builder VCL Windows 32/64
A catalog of free games relative to the Qore World universe.
computer opponent for the board game Blokus