Let' go face to it ! Firstly, position Options in a vertical line below your ship to the upper-right corner. Keep on shooting. After the release of flying teeth, escape to the left. (Three level of Speed Up will have more advantage in this manner)
Escape in the opposite direction that the lips do. Always go to the uppermost or lowermost path, at once. In the next stage, you're going to the journey of Japan !
Go Next