Terraria - Dig, Fight, Build! The very world is at your fingertips as you fight for survival, fortune, and glory.
Minetest - Minetest is a near-infinite-world block sandbox game and a game engine, inspired by InfiniMiner...
The Blockheads - Night is falling and your blockhead is freezing.
Roblox - Reimagining the way people come together.
Clonk Rage - Real-time multiplayer game. Players can download more than 47475 maps at ccan.de
Minecraft - A block-building game that allows you to create and explore entire worlds from scratch.