Browse free open source Game Engines and projects for Mac below. Use the toggles on the left to filter open source Game Engines by OS, license, language, programming language, and project status.
Godot is a powerful cross-platform game engine
A modern, cross-platform Quake game engine based on FitzQuake.
Injectable LUA scripting system, SDK generator, live property editor
Multi Theft Auto is a game engine
Open source reimplementation of GTA San Andreas game engine in Unity
Fast and lightweight JavaScript game engine built on WebGL and glTF
Open source voxel game engine with support for survival and crafting
Real Time Strategy game engine supporting early Westwood classics
3D Procedural Game Engine Using OpenGL
Open Source real-time strategy game engine for early Westwood games
The game engine for everyone
GemRB is a portable open-source implementation of the Infinity Engine
dhewm 3 main repository
DOOM / Heretic / Hexen source port with enhanced graphics and UI
A Flutter based game engine
A retro game engine for Python
Solar2D Game Engine main repository (ex Corona SDK)
Open-source engine for Heroes of Might and Magic III
3D playground built on three.js and cannon.js
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Voxel game engine in C++ with OpenGL
fheroes2 is a recreation of Heroes of Might and Magic II game engine