Ground Driller description

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.