Ground Driller v1.3.2

Mine diverse gems and minerals with a powerful excavator and cute miners.
Rarest gems are found only in the deepest part of the earth so dig as deep as possible.

– No control required. Digging and mining are done automatically!
– Uranium, nickel, copper, coal, iron ore and other minerals can be collected.
– You must upgrade your excavator to get deep into the earth.
– Capable miners can mine more minerals than others.
– There are various surprise events!
– You can earn Coins even while you're offline.
– New content has been added, including mining research, fishing, and mini-games.
– Achievement & Leaderboard supported.
– This is an offline game that does not require Data or WiFi connection.
– Supports English.