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
Modified source engine (2017) developed by valve and leaked in 2020
Injectable LUA scripting system, SDK generator, live property editor
Multi Theft Auto is a game engine
A modern, cross-platform Quake game engine based on FitzQuake.
Xash3D FWGS engine
GemRB is a portable open-source implementation of the Infinity Engine
Open source voxel game engine with support for survival and crafting
Open-source engine for Heroes of Might and Magic III
fheroes2 is a recreation of Heroes of Might and Magic II game engine
DOOM / Heretic / Hexen source port with enhanced graphics and UI
Fast and lightweight JavaScript game engine built on WebGL and glTF
Amazon Lumberyard is a free AAA game engine
A game engine powered by python and panda3d
The game engine for everyone
Real Time Strategy game engine supporting early Westwood classics
dhewm 3 main repository
Open source reimplementation of GTA San Andreas game engine in Unity
Solar2D Game Engine main repository (ex Corona SDK)
Open source clone of the Age of Empires II engine
Improved version of the X-Ray Engine, the game engine
A refreshingly simple data-driven game engine built in Rust
Free game engine for development of desktop, mobile, and web games