Escape the minefield and advance to the goal.
You cannot see the mine. However, you can detect the position of the mine by the sound.
It is a small sound if it is far, and a loud sound if it is near.
With a stereo sound, you can make out the direction where the mine exists.
As for the Lite version, the stage liberating condition is different from a pay version.
All stages can be liberated by playing how many days it, and meeting a specific requirement.
The advertisement is displayed.