Animation Compression Library
UCI chess engine
GUI for downloading/managing homebrew apps for video game consoles
Multi Theft Auto is a game engine
Solar2D Game Engine main repository (ex Corona SDK)
A game of dungeon exploration, combat and magic
Cross-Platform C++ 2D/3D game engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Powerful, mature open-source cross-platform game engine for Python
Open-source engine for Heroes of Might and Magic III
2D game development library for Ruby and C++
A lightweight game server framework implemented with Actor Model
Urho3D Game engine
A fast and reliable entity component system (ECS) and much more
RPG Maker 2000/2003 and EasyRPG games interpreter
A multi core friendly rigid body physics and collision detection lib
TX Library is a tiny graphics library for Win32 written in C++.
GLScene Engine for Delphi & C++Builder VCL Windows 32/64
Android, UIQ 3.0, Series 60 Edition 5 open-source software
Cross-platform, GPL reimplementation of the classic : Syndicate