Type the following codes at the places noted:
On the copyright
load-up screen:
rush: gives you silly ships
Anywhere in
menus:
xteam: gives you a piranha ship
xclass: gives you phantom class
xtrack: track cheat
Anywhere in
game:
psyrapid: mini-gun
psyprotect: infinite energy shield
psymega: infinite weapons
psyticker: infinite time