Top Gear Rally 

All tracks 
At the arcade mode screen, press A, Left(2), Right, Down, Z.
All cars 
At the arcade mode screen, press A, Left(2), C-Down, A, Right, Z. Note: The 
bonus cars will not be enabled with this code.
For the Japanese version of the game,
hold L + R and press [C-Left + C-Right + C-Up + C-Down] four times at the car selection screen.

Beach ball car 
At the arcade mode screen, press B(2), A, Left(2), C-Down, A, Right.

Cupra car 
At the arcade mode screen, press C-Down, Up, B, Right, A, C-Down, A, Right.

Helmet car 
At the arcade mode screen, press Up(2), Z, B, A, Left(2).

Black or white cars 
At the car selection screen, highlight a car,
hold L + R + C-Up + C-Down + C-Left + C-Right, and press Up or Down.

Modify car color 
At the car selection screen, hold C-Left (for red), C-Right (for blue),
and/or C-Up (for green), then press Up or Down to increase or decrease the corresponding color(s).

Mirror finish cars 
At the car selection screen, press C-Down after completing all six seasons of year five.

Rainbow mode 
While playing a game, press C-Down, Z, B, Up(2), Right.
For the Japanese version of the game, press C-Down, Z, B, Up Down, R at the title screen.

Disable Bi-linear filtering 
While playing a game, press B, Left, Right, Up, Left, Z, Right.

View completion date 
Before the title screen appears, hold C-Up + C-Down + C-Left + C-Right. The date 
on the title screen indicates when the game was completed.

Alternate credits 
On the options screen, select the "Credits" icon. Then, press Left, C-Down, 
Right, Down, Z. Now a new credit screen featuring the Strip Mine will be displayed.

Return to track 
Hold B and repeatedly press Analog-stick Up and Analog-stick Down.