Open Source real-time strategy game engine for early Westwood games
Solar2D Game Engine main repository (ex Corona SDK)
The flexible game engine
Entitas is a super fast Entity Component System (ECS) Framework
Fast and lightweight JavaScript game engine built on WebGL and glTF
A development environment focused on modding
Injectable LUA scripting system, SDK generator, live property editor
Godot is a powerful cross-platform game engine
Cross-Platform C++ 2D/3D game engine
Flax Engine, multi-platform 3D game engine
Simple and light-weight 3D game engine
Game engine supporting many 3D/2D formats and graphic effects
Game engine to build text adventures.
Sandbox video game with a powerful physics engine
Diablo build for modern operating systems
A free & open-source 2D sprite editor, made with the Godot Engine
Open source voxel game engine with support for survival and crafting
Simple Beat Saber Mod Installer
fheroes2 is a recreation of Heroes of Might and Magic II game engine
Magic Another Game Engine
Ct.js is a desktop game engine that makes learning programming fun
Multi Theft Auto is a game engine
A complete 3-D game development suite written in Java
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
An iOS & tvOS Frontend for Multiple Emulators