Successfully complete challenge mode with an "S-Rank" to have the ability to re-name the suffixes of any weapon in the game.
Note: The following code require a Dreamcast keyboard. At the title screen, type "URAENDING" to view the ending sequence.
Serial number delete
This trick is best used when you want peace and quiet. Load the game, then click on "Dressing Room". Press the power button on your Dreamcast. When you turn the Dreamcast on again and load up your character, the game will ask you to re-enter your serial number and access key. This has a few advantages. Anyone with your card will not be able to find you. Your wins and disconnects in battle mode will be gone.
The letters on the red weapons spell "HeathCliff" when they are put together in order:
Red Saber: He
Red Sword: a
Red Dagger : t
Red Partisan: h
Red Slicer: Cl
Red Handgun: i
Red Mechgun: ff
Loading Screen Fun
To control the light ball during load screens, just move the analog stick or D-Pad. Simple as that.