Change level appearance:
In VS mode, highlight Basic Arena or No
Man's Land and press Z.
Dark Star VS mode level:
Play 50 matches in VS mode.
VS battle CPUs:
Beat Story mode.
X Laser:
In Grand Battle, go to Bogey's Café. Now go behind the counter look
on the shelf.
Ray Warrior:
Get a gold trophy in all Amusement Park tournament cups. Then, talk to
the policeman at the front gate.
Thanks to Revolution readers chewbacca, ou812 and Forther!