Plot: CastleMiner is a 2011 video game developed by American indie studio DigitalDNA Games and released on Xbox Live Indie Games on July 27, 2011. It is a block-building sandbox game that uses Xbox Live Avatars as the player characters. Wikipedia
Plot: FortressCraft is a video game by British indie developer Projector Games, released on Xbox Live Indie Games on April 8, 2011. FortressCraft cites Minecraft, Infiniminer and Dwarf Fortress as direct inspirations for the design aspect of the game. Wikipedia
Plot: Zachtronics LLC is an American independent video game development studio, best known for their engineering puzzle games and programming games. Zachtronics was founded by Zach Barth, who serves as its lead designer. Wikipedia