A pure Go game engine
A game engine with an emphasis on real-time cutting-edge solutions
RPG Maker 2000/2003 and EasyRPG games interpreter
A retro game engine for Python
utility collection for 2D game development in Java; sound-player
A hand-crafted 2D game library in Go
TurboSphere is an easy to learn and powerful JS based game engine.
2D Game Engine, based on OpenGL and focused on Isometric Games
Cross-platform 2D game engine
Cross-platform 2D gaming middleware