Lua (programming language)-scriptable game engines

Roblox (, ) is an online game platform and game creation system developed by Roblox Corporation that allows users to program and play games created by themselves or other users. It was created by David Baszucki and Erik Cassel in 2004, and released to the public in 2006. As of February 2025, the platform has reported an average of 85.3 million daily active users. According to the company, their monthly player base includes half of all American children under the age of 16.

Luanti (formerly Minetest) is a community-driven, free and open-source voxel game engine, available on various platforms. Originally, Luanti was a voxel game created in October 2010 by Perttu Ahola to explore the mechanics of Minecraft. Over time, Luanti evolved from the original Minetest game into a general game engine as developers integrated new features.

CryEngine (stylized as CRYENGINE) is a game engine designed by the German game developer Crytek. It has been used in all of their titles with the initial version being used in Far Cry, and continues to be updated to support new consoles and hardware for their games. It has also been used for many third-party games under Crytek's licensing scheme, including Sniper: Ghost Warrior 2 and SNOW. Warhorse Studios uses a modified version of the engine for their medieval RPG Kingdom Come: Deliverance. Ubisoft maintains an in-house, heavily modified version of CryEngine from the original Far Cry called

Glest is a free and open-source real-time strategy computer game from 2004. Glest is set in a medieval fantasy world with two factions, and was compared with Warcraft III and the Empire Earth series. The game received positive to mixed reviews from the press, has been downloaded over two million times, and spawned several derivative continuation projects which are under active development.

PICO-8 is a virtual machine and game engine created by Lexaloffle Games. It is a fantasy video game console that mimics the limited audio-visual capabilities of 8-bit systems from the 1980s to encourage creativity and ingenuity in producing games without being overwhelmed with the many possibilities of modern tools and machines. Such limitations also give PICO-8 games a particular look and feel.

thumb|Bos Wars|Battle of Survival screenshot Stratagus is a free and open-source cross-platform game engine used to build real-time strategy video games. Licensed under the GNU GPL-2.0-only, it is written mostly in C++ with the configuration language being Lua.

free and open-source 3D engine based on the CryEngine

TIC-80 is a free and open-source fantasy video game console for making, playing, and sharing games on a limited platform that mimics the 8-bit systems of the 1980s. It has built-in code, sprite, map, music, and sound effect editors, as well as a command line interface that allow users to develop and edit games within the fantasy console.