Solar2D Game Engine main repository (ex Corona SDK)
Godot is a powerful cross-platform game engine
The flexible game engine
Open source voxel game engine with support for survival and crafting
A complete 3-D game development suite written in Java
Injectable LUA scripting system, SDK generator, live property editor
Build multiplayer web games played by millions
fheroes2 is a recreation of Heroes of Might and Magic II game engine
Multi Theft Auto is a game engine
The game engine for everyone
Real Time Strategy game engine supporting early Westwood classics
3D game engine/framework in C, with Luajit and Python bindings now
Fast and lightweight JavaScript game engine built on WebGL and glTF
A modular Common Lisp game engine
A game engine powered by python and panda3d
The open-source Roblox & UEFN alternative
Cross-Platform C++ 2D/3D game engine
Multi-platform 2D and 3D game engine
Open-source engine for Heroes of Might and Magic III
Write your game with TypeScript in UE or Unity
A Flutter based game engine
Cross-platform 2D game engine focused on ultimate productivity
Powerful, mature open-source cross-platform game engine for Python
Open game and rendering engine packed into a JavaScript framework
Magic Another Game Engine