Godot is a powerful cross-platform game engine
Multi Theft Auto is a game engine
Fast and lightweight JavaScript game engine built on WebGL and glTF
A retro game engine for Python
The game engine for everyone
Powerful, mature open-source cross-platform game engine for Python
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
Solar2D Game Engine main repository (ex Corona SDK)
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
A game framework written with osu! in mind.
Ct.js is a desktop game engine that makes learning programming fun
Animation Compression Library
3D game engine/framework in C, with Luajit and Python bindings now
A refreshingly simple data-driven game engine built in Rust
dhewm 3 main repository
The Tiny JavaScript Game Engine That Can!
Rust library to create a Good Game Easily
Haskell game engine library for roguelike dungeon crawlers
Embeddable unity game engine view for Flutter
Engo is an open-source 2D game engine written in Go
A game engine for console based text games
Open source reimplementation of GTA San Andreas game engine in Unity
A fork of Chocolate Doom with small Quality of Life enhancements
A fork of dhewm3 with an emphasis on modernisation and vanilla Doom 3