F355 Challenge: Passione Rossa Cheat Codes for Dreamcast

Full pause screen
Pause the game and press X + Y.

Unlock courses
At the options screen, hold X + Y, then choose the Passwords selection. Enter one of the following case-sensitive passwords to unlock an additional course

Enter CinqueValvole to unlock the Fiorano course.
Enter LiebeFrauMilch to unlock the Nurburgring course.
Enter Stars&Stripes to unlock the Laguna-Seca course.
Enter KualaLumpur to unlock the Sepang course.
Enter DaysofThunder to unlock the Atlanta course.