Unlock All Options
Press Z, B, A, L, A, Z during the story intro to unlock all options.
Submitted by Johnboy.
Unlock All Uniforms
Press Z, B, A, Z, A, L to unlock all unforms.
Submitted by Johnboy.
View Ending Credits
Press Z, L, A, Z, A, R during Story Mode to view the ending credits.
Submitted by Johnboy.
Play with the Boss
Press Z, A, R, Z, A, B on the Demo Screen to play with the Boss.
Submitted by Kokopelli.