Avoid damage
Roll if your ship is about to be hit by a missile.
If done correctly, the missile will bounce off your ship.
Extra areas
Perform the following tasks to reach extra areas in
the game.
Mission 1
Locate the four blue towers surrounding a red tower before
the level turns 90 degree upwards. Destroy the four blue towers,
then destroy the red tower. Another path with a new Boss, bonus
area, and 10 million points will become available.
Mission 3
Locate the area with six green and one red ship. Destroy the
red ship without hitting any of the green ships.
Mission 4
Locate the area with four green and four red ships. Wait until
the red ships fly over the triangular blocks. Then, shoot them
as they are going to exit from the top of the screen.
