TotalMiner

Total Miner is a voxel sandbox game, available on the Xbox Live Indie Games channel. You can find out more at our websites.

http://totalminer.org
https://www.facebook.com/teamtotalminer
https://twitter.com/TotalMiner

or purchase the game here

http://marketplace.xbox.com/en-US/Product/Total-Miner-Forge/66acd000-77fe-1000-9115-d802585508c3