Hot Wheels: Turbo Racing 

TowJam car 
At the main menu, press C-Up, C-Down, Z, R, C-Left, C-Right, C-Up, C-Down.

Infinite turbos 
At the main menu, press C-Right, Z, C-Up, C-Down, R, C-Left, Z, C-Right.

Race at night 
At the main menu, press C-Up(2), C-Down(2), C-Left, C-Right, C-Left, C-Right.

Mirrored tracks 
At the main menu, press Z, R, Z(2), R, Z(2).

Stealth mode 
At the main menu, press C-Left, Z(2), C-Up, C-Left, R, C-Down, C-Up.

Wire frame mode 
At the main menu, press C-Up, Z, C-Down, C-Left, C-Up, Z, C-Down, C-Left.

All cars and tracks 
Enter "_WYVW2LVDWVTXWWVWWWF", "_WYVVZCVDVVTXVVVVVVN",or "_WYZKZ1VDDOTX1TRGHSV"
as a password to unlock all cars and tracks. Note: "_" indicates a space.

Bonus cars and tracks 
Enter "99T8DTY8VD D7BDDDDDD2" as a password.

Additional bonus cars 
Enter "9PTNPTFN6P NMQPPNPPPL" as a password.