Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Voxel game-creation platform with easy modding and game creation
Free game engine for development of desktop, mobile, and web games
Godot game template and component-based framework
Cross-Platform C++ 2D/3D game engine
3D Game engine with editor
Write your game with TypeScript in UE or Unity
3D game engine/framework in C, with Luajit and Python bindings now
A free and open-source Touhou Project fangame
3D game engine with lua scripting
RTSish Game Engine
Doom-based AI research platform for reinforcement learning
An isometric arcade-style game of skill, puzzles and exploration
3D puzzle game based on Kula World and Cubosphere
lua dev plugin for unreal engine 4 or 5
Injectable LUA scripting system, SDK generator, live property editor
Free, open source game engine online
A free 3D game engine to create games and realtimes scenes for Windows
Heros of Jin Yong 3D Remastered
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
A PICO-8 demake of the SCUMM engine
3D C++ Game Engine - yet another open source game engine
2D Game Engine