I came across a game the other day. Quite simplistic. Like the games from the early 90's. But I found ti way too addictive. You end up wanting to dig deeper and deeper. Find more surprises. I've managed to dig down to 5500ft, but I usually can't stay for long because of all of them pesky gas pockets... I actually just bought the Goldium version. That should keep me busy until nest Tuesday.