Level Skipping:
Type in ''SEAGULL'' in the password section of the options menu. This code will enable you to skip to the next level in the game.

Sliver Bullet Mode:
Type in ''SILVERSHOT'' in the password section of the options menu. This code will enable you to kill you enemies with only one shot. The code can be turned off in the Bonus section of the options menu.

Unlock Level 3 Mission 1:
Type in ''HAWK'' in the password section of the options menu.

Unlock Level 4 Mission 1:
Type in ''PARROT'' in the password section of the optiions menu.

Unlock Level 5 Mission 1:
Type in ''DOVE'' in the password section of the options menu.

Unlock Level 6 Mission 1:
Type in ''TOUCAN'' in the password section of the options menu.

Unlock Mission 2 Level 1:
Type in ''EAGLE'' in the password section of the options screen.