CAPTAIN SKYHAWK

Level skip:
Press A, B and Up on the second controller to skip levels.

Safety zone:
While flying through a level with mines, go to the side of the landscape,
and you will be safe from their attacks.

Level Skip:
While flying through any level on controller 2 hit up and B at the
same time.

Invincible:
You know that copyright info screen? Well, when the letters are
falling down on that screen, press Up, Right, Down, Left, Up, 
Right, Down, Left, Up, Right, Down, Left, Up, Right, Down, Left.
The title screen will come up in the meantime; that's ok. Now press
start and kick azz.