*As long a distance as possible
- When you hit a cave wall, the expedition ship explodes.
- When you hit the front and end of the cave, the expedition ship explodes.

*Easy operating method
- Move left and right with only two buttons
- When you divide the screen in half, touching the right screen turns on the right boost of the expedition ship and turns the expedition ship to the left
- When you divide the screen in half, touching the left screen turns on the left boost of the expedition ship and turns the expedition ship to the right