Luanti

Luanti (formerly Minetest) is an open-source sandbox game where you can explore, build, and craft in a procedurally generated world. Play solo or join online multiplayer servers, customize your game with mods, and create your own unique experience.

With no ads, no cost, and ongoing development, Luanti offers endless possibilities for creativity and adventure. Available on multiple platforms, it’s a fully customizable, community-driven alternative for players who love open-world building games.