Voxel game-creation platform with easy modding and game creation
The HTML5 Creation Engine
Fast and lightweight JavaScript game engine built on WebGL and glTF
A 2D rigid body physics engine for the web
Free, open source game engine online
A retro game engine for Python
A high-performance, industry-standard 2D physics engine built on Box2D
High performance UI layout library in C
2D JavaScript Physics Engine
Python MUD/MUX/MUSH/MU* development system
A Complete WebGPU Game Engine for Browser & Desktop Arcade Oriented
Game engine supporting many 3D/2D formats and graphic effects
Haskell game engine library for roguelike dungeon crawlers
Portable game engine with main focus on point-and-click adventures
JavaScript Game Engine
online 4X browser game engine
A space race game in the style of A Dark Room
Turbulenz is a modular 3D and 2D game framework
Egret is a brand new open mobile game and application engine
2D physics engine for games
Browser game engine
Game engine supporting many 3D/2D formats and graphic effects