Tunnel Master

"Tunnel Master" is a game for anyone,easy and fun.
The game consists in digging tunnels in tranquility. Becoming a digger, you must complete the construction of the subway lines.
At each completion of level you will receive a requital, that you can use to buy new powerful equipment that will help you to dig faster and better.
While digging you can find treasures.Completing the collection is part of the fun of "Tunnel Master". Can you complete all the subway lines?
Even today continue your dig!