You would use your drill to dig up gold, silver, platinum etc. You sold the metals for cash to upgrade your drill. If you didn’t refuel in time you blew up. Its not digdug.
I am getting into the hobby of metal detecting, and I used to breed basset hounds. To keep me company I was going to bring my dog(s). I was wondering if they could be trained to sniff out gold or other metals and bring the location to my attention.