Bonus Artwork
If you beat the game with SCUD the menu will change and display new artwork.

Funny Messages
For funny answering machine messages, insert your SCUD disc in any CD player and play track 8.

Level Skip
At the title screen press and hold Lower-Right + Y + Start. If you've done it right you'll hear some funny messages in about 30 seconds. To skip a level while playing, pause the game and press L + R.

Weapon Save
Sick of losing your favorite weapon? When you get a weapon that you like, press L1 to save it. To get it back later press L1, or R1. You can save as many weapons as you want.