Godot is a powerful cross-platform game engine
The Ren'Py Visual Novel Engine
Xash3D FWGS engine
Multi Theft Auto is a game engine
Voxel game-creation platform with easy modding and game creation
Open source voxel game engine with support for survival and crafting
Fast and lightweight JavaScript game engine built on WebGL and glTF
A game engine powered by python and panda3d
dhewm 3 main repository
The ioquake3 community effort to continue supporting/developing id's
The HTML5 Creation Engine
Real Time Strategy game engine supporting early Westwood classics
The game engine for everyone
fheroes2 is a recreation of Heroes of Might and Magic II game engine
Recreation of the classic Grand Theft Auto III game executable
An easy to use 2D HTML5 game engine written in TypeScript
3D Procedural Game Engine Using OpenGL
A complete 3-D game development suite written in Java
Solar2D Game Engine main repository (ex Corona SDK)
Powerful, mature open-source cross-platform game engine for Python
Open source clone of the Age of Empires II engine
A refreshingly simple data-driven game engine built in Rust
Stride (formerly Xenko), a free and open-source cross-platform C# game
Voxel game engine in C++ with OpenGL
A retro game engine for Python