You control the red plane (in a one-player game) and move ahead while defeating enemies and avoiding enemy attacks. If you can land in the base marked LAND HERE, you will clear the mission and move on to the next one.
About Somersaults
Use the somersault maneuver to get behind enemy planes or to avoid attacks. Press in different directions along with to perform a total of three types of somersaults. Bear in mind that you cannot perform a somersault while carrying a bomb.
Losing Planes and Game Over
If you collide with an object or the ground, you will lose one plane.
If you go past the base, you will run out of fuel and crash, losing a plane. You will, however, proceed to the next mission.
When you run out of planes, the game is over, and you go back to the title screen.
You control the red plane (in a one-player game) and move ahead while defeating enemies and avoiding enemy attacks. If you can land in the base marked LAND HERE, you will clear the mission and move on to the next one.
About Somersaults
in different directions along with 
to perform a total of three types of somersaults. Bear in mind that you cannot perform a somersault while carrying a bomb.