Terraria - Dig, Fight, Build! The very world is at your fingertips as you fight for survival, fortune, and glory.
The Blockheads - Night is falling and your blockhead is freezing.
Starbound - This action-adventure platformer throws you into a procedurally generated galaxy where you can make your mark.
Clonk Rage - Real-time multiplayer game. Players can download more than 47475 maps at ccan.de
Dig or Die - Dig or Die is a sandbox action/strategy game; explore, fight, craft, and build your defenses!
Minecraft - A block-building game that allows you to create and explore entire worlds from scratch.