L,R,Z,L,R,Z,L+R at the start screen will give you double the
L,R, L,R L,R, Z, L+R on the main menu.
At the Press Start screen, press L+R, Z, L+R, Z for Infinite
Shields. This will also give you infinite turbo boosts.
Repeat to turn the code off.
Press L, R, L, R, L+R, Z
This will give you unlimited ammunition.
At the start screen enter L,L,R,R,Z,Z,L+R+Z.
To unlock Team Starcom, simply play XG Career mode all the
way through to the end, winning the race on Pion 6.
L+R+Z, L+R, Z, L+R+Z you will win the race even if you blow
up or quit.