Fast and lightweight JavaScript game engine built on WebGL and glTF
A retro game engine for Python
The game engine for everyone
Free, open source game engine online
3D game engine/framework in C, with Luajit and Python bindings now
Game engine supporting many 3D/2D formats and graphic effects
2D Game Engine
A cross-platform 2D game engine
Portable game engine with main focus on point-and-click adventures
online 4X browser game engine
A space race game in the style of A Dark Room
Multi-platform game engine similar to old Megaman with a stage editor
2D physics engine for games
Game engine supporting many 3D/2D formats and graphic effects
Free MMORPG Engine. Develop and host graphical browser-based games.