Great Time Waster
Spend hours trying to dig and then an earthquake ruins everything. Awesome expansive game that just when you're 37ft from the mysterious 6000ft depth a gas pocket blows up your ride. Oh well, just a few tips are: dig straight down don't worry about picking up the small minerals, you'll eventually get an artifact or dinosaur bones that are worth 50,000 dollars; also, buy reserve fuel cells, it helps.
Two word summation is always necessary so, 'A MostExcellent Game'
(yeah yeah I know it was four)