https://www.giantbomb.com/steamworld-dig/3030-43416/
http://www.mobygames.com/game/steamworld-dig-a-fistful-of-dirt
http://steamworld.wikia.com/wiki/SteamWorld_Wiki
https://en.wikipedia.org/wiki/SteamWorld_Dig
http://www.metacritic.com/game/3ds/steamworld-dig
https://www.speedrun.com/SteamWorld_Dig
