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
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 completely free, open-source, 2D game engine
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
New Godot bindings for Swift
The game engine for everyone
An easy to use 2D HTML5 game engine written in TypeScript
2D JavaScript Physics Engine
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
Stride (formerly Xenko), a free and open-source cross-platform C# game
3D Procedural Game Engine Using OpenGL
A 2D rigid body physics engine for the web
Game engine supporting many 3D/2D formats and graphic effects
Cross-platform game engine in Rust