Gold Mine - Strike it rich!

Finally, the mine is yours! Can you strike it rich before the haunted walls reach you?
They said it was a haunted mine, but the though of riches clouded your judgement. Oh, there's riches alright
- gems and gold a plenty if you know where to strike it. But the walls are coming closer and closer, and it takes a cool mind and some patience to reach the deeper, more valuable levels.