Chicken heads:
     When  you  are  at the main menu, hold L1 + R1 and press X, O, O,
Square. If the code is accepted, you will hear a sound.

No HUD:
     When  you are at the main menu, hold L1 + R1 and press X, Square,
Triangle, O. If the code is accepted, you will hear a sound.

Toy block cars:
     When you are at the main menu, hold L1 + R1 press O, O, Triangle,
Square. If the code is accepted, you will hear a sound.

One hit KO's:
     When you are at the main menu, hold L1 + R1 and press X, O, O, X.
If the code is accepted, you will hear a sound.

High speed mode:
     When  you  are  at  the  main  menu, hold L1 + R1 and press O, O,
Triangle(2). If the code is accepted, you will hear a sound.

Japanese Crash:
     When  you are at the main menu, hold L1 + R1 and press Square, O,
Square, O. If the code is accepted, you will hear a sound.

Control loading screen:
     Press  X  to  burp or O to fart while the game loading. Press the
D-pad in combination with X or O to control the change the sound.

Unlock Pasadena, Crash, Crunch, Nina and Neo Cortex Ps2 cars:
     Link to the Ps2 version of Crash Tag Team Racing with a USB cable.

Unlock Extinction Party battle arena and Lungle Rumble battle arena:
     Link to the Ps2 version of Crash Tag Team Racing with a USB cable.

Crash's Baby costume:
     Collect all the Die-O-Ramas.

Earn coins easily:
     Drink  a  Whumpa  Whip  and let a Ninja Penguin attack you. Then,
pick up your coins.

Toggle Control Loading Screen 
     During the loading screens, press X to burp or Circle to fart.