UnderMine is an action-adventure, roguelike with a few RPGish elements tossed in. (The good ones) Adventure deep into the UnderMine, discovering powerful relics, deadly enemies, and maybe a few friends to help along the way.
Prices
CAGBot Analysis
CAGBot says
A solid buy price would be $6. Not in a hurry? Give it a year and you should be able to find this for around $5.