The game engine for everyone
An OpenGL RTS game engine written in C
Ct.js is a desktop game engine that makes learning programming fun
Modified source engine (2017) developed by valve and leaked in 2020
A cross-platform, open-source, pure C game engine for mobile game
2D Game Engine
A generic 2D engine for any kind of game
A retro style video game engine for RPGs and adventure games.
Free MMORPG Engine. Develop and host graphical browser-based games.
A 2D Java game engine