Unlimited Nitro
Hold select when choosing "OK" at the car and track confirmation screen (final screen before the race begins) in single race or time attack mode.

Rally-X Car

In the Rally-X mini-game score 50,000 points and you will the Rally-X special class car.
Mirror Mode
Press and hold SELECT when choosing a course to race it in reverse.

Hidden Movies

    * RR4 Intro - Clear EX tour 33.
    * RR5 Intro - Clear EX tour 34.
    * RR 2004 E3 Intro - Clear EX tour 35.
    * RR Arcade Intro - Clear EX tour 36.
    * Gallery Set 1 - Clear EX tour 37.
    * Gallery Set 2 - Clear EX tour 38.
    * Gallery Set 3 - Clear EX tour 39. 

Kamata Angelus
Beat Pro Tour 20 Angelus Duel.

Max Tour
Complete all EX Tours.

Pac-Man Car
Complete PRO 21 tour to Pac-Man.

Soldat Crinale
Race four races against the Crinale in PRO 19 tour.