เริ่มต้นความสนุกในการอัพเกรดไม่รู้จบ!
Dig holes, sell them, buy upgrades!
There are different types of mines. The farther you go, the more expensive the mine you get. You can also find magic gems, which include bonuses.
Don't forget to sell the stones for your rapid development.
It's too far to teleport back to the base.
Have a good time! ：)