Multi-platform 2D and 3D game engine
Zig game engine & graphics toolkit
Cross-platform 2D and 3D game engine with modular architecture
Solar2D Game Engine main repository (ex Corona SDK)
Xash3D FWGS engine
s&box is a modern game engine, built on Valve's Source 2
Descent 3 by Outrage Entertainment
The ioquake3 community effort to continue supporting/developing id's
Recreation of the classic Grand Theft Auto III game executable
Free game engine for development of desktop, mobile, and web games
A Flutter based game engine
A rhythm game made with HaxeFlixel
A completely free, open-source, 2D game engine
Zero Hour running natively on macOS, iPhone & iPad
Voxel game-creation platform with easy modding and game creation
A refreshingly simple data-driven game engine built in Rust
A dead simple 2D game engine for Go
Powerful, mature open-source cross-platform game engine for Python
The game engine for everyone
New Godot bindings for Swift
A simple Minecraft written in Rust with the Piston game engine
An easy to use 2D HTML5 game engine written in TypeScript
Free, cross-platform 2D game engine powered by Haxe and OpenFL
2D JavaScript Physics Engine
Stride (formerly Xenko), a free and open-source cross-platform C# game