Solar2D Game Engine main repository (ex Corona SDK)
Animation Compression Library
Powerful, mature open-source cross-platform game engine for Python
RPG Maker 2000/2003 and EasyRPG games interpreter
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
2D game development library for Ruby and C++
Urho3D Game engine
A multi core friendly rigid body physics and collision detection lib
A fast, scalable, distributed game server engine/framework for C++
A 2D game engine and level editor
Portable game engine with main focus on point-and-click adventures
Game engine for playing tomb raider 1 - 5 levels.
2D game engine for traditional platform games
Gorgon Game Engine (GGE) is a C++ game engine that handles many tasks.
2D physics engine for games
3D Game engine
A 2D game engine base on OpenGL and SDL,support for Windows & Linux
2D Game Engine, based on OpenGL and focused on Isometric Games
Easy to use 3D game engine based on OGRE 3D