The rats have taken the gold of your people!
You are sent into the tunnels under the enemies' feet in the hope that you will arrive undetected to the treasure.
Use the map (SPACE + RIGHT) and the sounds of the surface to locate the exact spot.
You may also place beacons (SPACE + LEFT) to mark specific points that might help you.
When you think you are in position, dig up (SPACE + UP) to find out!