Free game engine for development of desktop, mobile, and web games
Godot Minimal Theme
3D and 2D game engine written in Rust
3D Game engine with editor
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Cross-platform 2D game engine focused on ultimate productivity
Cocos simplifies game creation and distribution with Cocos Creator
Stride (formerly Xenko), a free and open-source cross-platform C# game
Ct.js is a desktop game engine that makes learning programming fun
The Tiny JavaScript Game Engine That Can!
Fast and lightweight JavaScript game engine built on WebGL and glTF
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Magic Another Game Engine
Cross-platform 2D and 3D game engine with modular architecture
The flexible game engine
Descent 3 by Outrage Entertainment
A fresh & lightweight javascript game engine
An OpenGL RTS game engine written in C
Injectable LUA scripting system, SDK generator, live property editor
SDL based generic 2D game engine
MIT Licensed Open Source version of Torque3D from GarageGames
A cross-platform, open-source, pure C game engine for mobile game
Cross-platform 3D scene editor based on three.js, golang and mongodb