Luanti (formerly Minetest) is an open-source, cross-platform voxel engine, inspired by Minecraft. Primarily written in C++, utilising the Irrlicht Engine, and it provides an API for users to make games or mods, for existing games, using LUA.

Ikemen GO is an open source fighting game engine that supports resources from the M.U.G.E.N engine, written in Google’s programming language, Go.

FTEQW is an advanced and portable Quake engine. It supports multiple games running on idTech, plus its own set of games that developers have created.

RPG Architect is a next-generation RPG game maker with all of the limitations removed. It is designed to be simple enough for a newcomer and advanced enough for a veteran of game making engines.

Intersect provides a complete game development suite for creating 2d mmorpgs with no programming experience

A versatile game engine designed for creating 3D games and experiences. It includes landscape sculpting, a physics engine, customizable shaders, and procedural foliage generation.

An editing tool, language, and runtime for creating gameplay using a mouse-driven scripting tool

An engine that allows you to build up your own action game with no programming knowledge necessary

Rendercore is a proprietary 3D game engine developed in C++ by Renderon Softwares. Officially active since 2025, it is designed for building ambitious, large-scale 3D games with a strong focus on open-world environments, dynamic systems, and immersive gameplay.

Silk Engine features the latest graphical technology (HDR Physical Based Rendering, global illumination, raytracing, advanced image post processing, nodal particle system, streaming…), and runs on PC and current generation consoles: PlayStation 5 and Xbox Series.

Yami RPG Editor is specially designed for making ARPG