Solar2D Game Engine main repository (ex Corona SDK)
Open source voxel game engine with support for survival and crafting
Godot is a powerful cross-platform game engine
The flexible game engine
A complete 3-D game development suite written in Java
One of the best Prodigy hacks
Multi Theft Auto is a game engine
fheroes2 is a recreation of Heroes of Might and Magic II game engine
Build multiplayer web games played by millions
JavaScript-based game engine designed to empower developers
Multi-platform 2D and 3D game engine
The game engine for everyone
Flax Engine, multi-platform 3D game engine
Real Time Strategy game engine supporting early Westwood classics
A game engine powered by python and panda3d
Open game and rendering engine packed into a JavaScript framework
Cross-Platform C++ 2D/3D game engine
Fast and lightweight JavaScript game engine built on WebGL and glTF
Cross-platform 2D game engine focused on ultimate productivity
Powerful, mature open-source cross-platform game engine for Python
Open source clone of the Age of Empires II engine
The open-source Roblox & UEFN alternative
An easy-to-use, working NitroType hack for typing at insane speeds!
LayaAir is an open-source 2D/3D engine
Voxel game-creation platform with easy modding and game creation