A retro game engine for Python
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Voxel game-creation platform with easy modding and game creation
A high-performance, industry-standard 2D physics engine built on Box2D
Fast and lightweight JavaScript game engine built on WebGL and glTF
Cocos simplifies game creation and distribution with Cocos Creator
A 2D rigid body physics engine for the web
The HTML5 Creation Engine
Free game engine for development of desktop, mobile, and web games
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Open source library for creative expression on the web, desktop, etc.
The ioquake3 community effort to continue supporting/developing id's
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3D game engine/framework in C, with Luajit and Python bindings now
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Cross-platform game engine in Rust
A completely free, open-source, 2D game engine
3D and 2D game engine written in Rust
JavaScript-based game engine designed to empower developers
Full featured MUD server with all the trimmings.
Game engine supporting many 3D/2D formats and graphic effects
A Complete WebGPU Game Engine for Browser & Desktop Arcade Oriented