Uncle Joe was the owner of the Tumbleton mine. Uncle Joe serves as Rusty's reason for coming to Tumbleton as he sent him his mine's deed. On his way to Tumbleton, Rusty falls down a hole into the mine where he meets Dorothy who tells him Uncle Joe is dead. Rusty later finds Joe's corpse and uses his old pickaxe to escape the mine.
It is revealed at the end of the game that he was killed by Voltbot, who said that he had given up his life willingly.
- 2013 - SteamWorld Dig