Super Speed mode
Complete championship mode once. Super Speed mode will remove mirrors in the cockpit view and twenty cars to increase the frame rate to 60 fps.
Bonus camera angle
Complete championship mode once to unlock a far top view camera angle that resembles the game Micro Machines.
Drive as S. Hattori
Complete championship mode once to unlock a bonus Japanese driver that is not ranked in the CART-Season or with a Team.
Bonus pace cars
Complete championship mode four times to unlock the Acura NSX, BMW M3, Toyota Celica, and Pick Up-Truck pace cars.
Rainy weather
While starting the game in arcade mode, hold L + R + Down.
Weather never changes
While starting the game in arcade mode, hold L + R + Up.