Aerofighters Assault Change Colors:
Don't like the look of your plane? Simply press the R-Button at the plane select screen to bring up an alternate color scheme.
Extra Pilot and F-15:
At the title screen where it says "Press Start," punch in the following button combination: C-Left, C-Down, C-Right, C-Up, C-Left, C-Right, C-Down. You will now be able to fly a new F-15 plane, complete with a new pilot.
Extra Pilot #2:
Complete all 3 Bonus stages to get the new pilot, Spanky.
Level Select:
During the intro scene, punch in the following code: Up, C-Down, Left, C-Right, Down, C-Up, Right, C-Left, L, R, Z. You should hear a chime if the code worked. Now go to Main Game and choose your level.
Extra planes in Battle Mode:
Use the above codes to get the F-15 and the level select menu. Select the moon mission in the F-15, and destroy the big flying saucer with both superweapon lasers. You will enter your initals, and then go back to the main menu. Now select the two-player deathmatch. You should have 6 new planes. Note: you have to do this every time you turn on the machine to get the new bonus planes again. The game doesn't save the planes.
