Ridge Racer 5

Third person view onscreen display:
Hold Select while racing in the third person perspective to display onscreen information that includes the amount of pressure being used on various controller buttons.

Control introduction sequence:
Press L1 and R1 during the introduction sequence with the girl walking down the street during a race to cycle through three different effects for the portion that uses the in-game graphics. Press R1 for black and white graphics. Press R1 a second time and the graphics will have a yellow tint. Press R1 a third time to add blur effect, which will eliminate jagged graphics. Press L1 to cycle back through the various effects.
Billy Johnson and Scooby9694.

Quick start:
When in time attack mode, hold R2 + L2 at the start to get a speed boost from the instant light turns green.
Will Simpson.

Duel mode:
Finish in first place in lap and overall time in the Standard Time Attack GP.

Bonus cars:
Successfully complete each of the Grand Prix circuits to unlock new cars. Breaking the Time Attack high scores also unlocks additional cars.
Scooby9694.

50's Super Drift Caddy:
Finish in first place in the Danver Spectra race in duel mode to unlock the 50's Super Drift Caddy car in free run, time attack, and duel mode.

Devil Drift:
Finish in first place in the Rivelta Crinale race in duel mode to unlock the Devil Drift car in free run, time attack, and duel mode.

VW Beetle:
Finish in first place in the Solort Rumeur race in duel mode to unlock the new style VW Beetle car (with super grip handling) in free run, time attack, and duel mode.

McLaren F1 clone:
Finish in first place in the Kamata Angelus race in duel mode to unlock the McLaren F1 clone in free run, time attack, and duel mode.

99 lap mode:
Set the top score in each race of the Time Attack GP in Extra Mode, finishing in first place.

Pac-Man mode:
Exceed 3,000 kilometers in total distance raced to unlock the Pac-Man Race. Win the Pac-Man race to unlock a red roadster with a Pac-Man driver and the Ghosts on scooters as opponents.

Alternate saved game icon:
Successfully complete the game with all secrets unlocked to change the saved game icon from a car to a programmer face.

Alternate music:
Drive over an accumulated 765 kilometers.

Maximum mode:
Finish the game in Grand Prix mode under hard difficulty setting to unlock Maximum race in Grand Prix.
Seba Inverse.

Ultimate Maximum Grand Prix mode:
Win all the standard and extra Grand Prixes under the hard difficulty setting.

Select car number:
Complete (you do not have to win) the 99 Endurance Race. The game will change your car number to 01 and unlocks a new feature that allows you to select your car number.
Pimp Satan.