AeroFighters Assualt
During the opening sequence when the fighters are in flight, press Up, C-Down, Left, C-Right, Down, C-Up, Right, C-Left, L, R, Z. If you entered the code correctly, you will hear a sound.
When "Press Start" appears on the opening screen, press C-Left, C-Down, C-Right, C-Up, C-Left, C-Right, C-Down. Then, a hidden F-15 with a female pilot (Mao Mao) can now be accessed.
Compete all bonus missions to access Spanky as a hidden pilot.
- Fly enemy planes in deathmatch mode
A new enemy plane will become available in deathmatch mode for each level completed in the game. A total of six enemy planes may be enabled.
At the plane selection screen, press R, in main game practice or boss attack modes. For death match mode, hold R while selecting one of the four default planes.