PS2 Hot Wheels: Velocity X Cheats

Get All Worlds:
Finish Challenge 18 and find the Hidden Key Get All Cars:
Finish Challenge 8 and hit 11 Bonus Stunt Items
Get All items:
Finish Challenge 7 and hit 30 Barrels
Infinite Health:
Finish Challenge 17 and hit 179 Barrels
Infinite Turbo:
Finish Challenge 4 and get 8 Zappers
Infinite Ammo:
Finish Challenge 18 and hit 50 barrels
Timer Speed:
Finish Challenge 12 and hit 60 barrels

All Cars and Tracks:
Hold L1 + R1 and press CIRCLE, SQUARE, SQUARE, TRIANGLE, X