Extreme G3
All Attacks:At the title screen enter L1,L1,L2,L2,R2,R2,R1,R1 then press L1+L2+R1+R2 simultaneously. Amessage on the screen will appear if performed correctly.
-Mog21, CA
Break the Speed/Sounds Barrier:
Once you can hit the 1000 class, and get the highest engine, 1500, use your boost on a straight-way or down a steep hill. The screen will blur and the music will stop for a few seconds, this indicates you have broken the sound or speed barrier.
-Haresitter
Infinite Turbo:
When the title appears, press L1+R1, L2+R2, L1+L2, R1+R2. A noise will sound if done right.
-Powlazaa, via internet
Unlimited shields:
Pause during game and press L1+R1, L2+R2, L1+L2, R1+R2. A message will appear . Repeat to return to normal.
Unlimited shields and turbos:
Press L1+R1, L2+R2, L1+L2, R1+R2 at the main menu. A message will appear. Warning: This effect lasts for only one race and must be re-entered before the next one.
Infinite ammo:
Press L2, R2, L1, R1, L2+R2, L1+R1 at the team selection screen or the screen with the League Race and XG Mall options. A message will confirm. Unlimited ammo will be available in one or two player games.
All tracks:
Press L1(2), L2(2), R2(2), R1(2), L1+R1+L2+R2 at the main menu. A message will appear.
Always win XG career mode races:
Press R2+L2+R1+L1, R2+L2, R1+R2, R2+R1+L2+L1 at the main menu. A message will confirm correct code entry. You win if you quit, lose, or die. This must be entered at the main menu before every race.
-Wompin Jompin, via email
Double prize money:
Press L1+L2, R2+R1, R1+R2, L2+L1 at the main menu. You will see a message if done right.
Start with extra money:
Begin a new career, select a driver, then press L1(5), L2(5), R1(5), R2(5), L1+R1+L2+R2.
Extreme lap challenge:
Press L1, L2, L1, R1, L1, R2, L1+R1, L2+R2 at the main menu. A message will confirm correct code entry. This unlocks an oval track for maximum speed.
StarCom team:
Press L1, L2, R2, R1, R1, R2, L2, L1 at the main menu. A message will appear.
-TTKiller, Chicago
Hint: 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.
