Minetest - Minetest is a near-infinite-world block sandbox game and a game engine, inspired by InfiniMiner...
Terraria - Dig, Fight, Build! The very world is at your fingertips as you fight for survival, fortune, and glory.
Roblox - Reimagining the way people come together.
OpenClonk - OpenClonk is a free multiplayer action game where you control clonks, small but witty and nimble...
Gnomescroll - Gnomescroll is a multiplayer survival RPG in surreal environments.
Minecraft - A block-building game that allows you to create and explore entire worlds from scratch.