Driven Cheat Codes for XBox

All cars:
At the main manu, press Up, Down, Right, Right, Left, Up, Up, Down.

All Tracks:
At the main menu, press Up, Up, Left, Down, Left, Right, Right, Up.

Unlock Story Mode:
At the main menu, press Down, Left, Up, Right, Right, Up, Down, Left.

Unlock Arcade Championhips:
At the main menu, press Rightm Left, Up, Right, Down, Down, Left, Left.

unlock Multi-Player Championships:
At the main menu, press Left, Down, Left, Up, Right, Left, Down, Right.