The ioquake3 community effort to continue supporting/developing id's
3D and 2D game engine written in Rust
Flax Engine, multi-platform 3D game engine
3D game engine with lua scripting
A game engine with an emphasis on real-time cutting-edge solutions
The Tiny JavaScript Game Engine That Can!
ZDoom 2.8.1 fork focusing on modernisation, performance and stability
The world is no longer the same
A free 3D game engine to create games and realtimes scenes for Windows
Conservative port of BOOM 2.02 to modern systems.
A fork of Chocolate Doom with small Quality of Life enhancements
Amazon Lumberyard is a free AAA game engine
Improved version of the X-Ray Engine, the game engine
A 2D game engine and level editor
An advanced RPG-specific Game Engine
A retro style video game engine for RPGs and adventure games.
Cross-platform 2D gaming middleware