Sound Barrier
Once your racer hits 750 mph you break the sound barrier and everthing go's quiet.
Quick start
To get a jump start when you begin a race, hold Forward during the countdown without pressing Gas. As soon as "Go" appears, hit the accelerator.
Extreme lap challenge
Press L, R, L, R, L, R, Z, L + R at the main menu. A message will confirm correct code entry. This unlocks an oval track for maximum speed.
StarCom team
Complete the game in XG Career mode.
Unlimited shields and turbos
Press L + R, Z, L + R, Z after "Press Start" appears at the title screen. A message will confirm correct code entry. Note: This effect lasts for only one race and must be re-enabled before the next one.
All teams and tracks
Press L(2), R(2), Z(2), L + R + Z after "Press Start" appears at the title screen. A message will confirm correct code entry.
Unlimited ammunition
Press L, R, L, R, L + R, Z after "Press Start" appears at the title screen. A message will confirm correct code entry.
Always win XG career mode races
Press R, L, Z, L, R, Z, R, L, Z after "Press Start" appears at the title screen. A message will confirm correct code entry. This allows you to win a race no matter if you quit, lose, or die. Note: This must be enabled at the main menu before every race.
Win next race
Press L + R + Z, L + R, Z, L + R + Z after "Press Start" appears at the title screen. A message will confirm correct code entry.
Double prize money
Press L, R, Z, L, R, Z, L + R after "Press Start" appears at the title screen. A message will confirm correct code entry.
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