UZDoom is a feature centric port for all Doom engine games
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Descent 3 by Outrage Entertainment
The fastest AI powered Aimbot
A Minecraft mod designed to improve frame rates
Powerful, mature open-source cross-platform game engine for Python
Cross-platform 2D game engine focused on ultimate productivity
Open-source engine for Heroes of Might and Magic III
A Flutter based game engine
The ioquake3 community effort to continue supporting/developing id's
fheroes2 is a recreation of Heroes of Might and Magic II game engine
A completely free, open-source, 2D game engine
A high-performance, industry-standard 2D physics engine built on Box2D
Vulkan renderer mod for Minecraft
A refreshingly simple data-driven game engine built in Rust
A pure Go game engine
The game engine for everyone
Write your game with TypeScript in UE or Unity
3D Game engine with editor
This is a re-implementation of the 1995 PSX game wipEout
A 2D rigid body physics engine for the web
Voxel game-creation platform with easy modding and game creation
A retro game engine for Python
Satisfying monster shooter
3D and 2D game engine written in Rust