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
One of the best Prodigy hacks
Multi Theft Auto is a game engine
The game engine for everyone
fheroes2 is a recreation of Heroes of Might and Magic II game engine
Real Time Strategy game engine supporting early Westwood classics
Multi-platform 2D and 3D game engine
An easy-to-use, working NitroType hack for typing at insane speeds!
Open game and rendering engine packed into a JavaScript framework
A game engine powered by python and panda3d
s&box is a modern game engine, built on Valve's Source 2
Open-source engine for Heroes of Might and Magic III
Flax Engine, multi-platform 3D game engine
Cross-Platform C++ 2D/3D game engine
Kitty-Tools is a Kahoot Cheating Client for all devices and interfaces
A modular Common Lisp game engine
Fast and lightweight JavaScript game engine built on WebGL and glTF
Cross-platform 2D game engine focused on ultimate productivity
Build multiplayer web games played by millions
The Ren'Py Visual Novel Engine
The open-source Roblox & UEFN alternative