Unlock Soapbox Car To unlock the Soapbox Car, go to the Options screen, press and hold R & L, then enter the following code: B, B, Y, X.
Hidden car Finish all ten missions in mission mode to unlock The Homer car. The car is selectable in any mode by choosing Homer's picture at the car select screen.
Hidden Halloween character Set the system date to October 31 to unlock Halloween Bart (dressed in a Frankenstein costume) under the "?" at the character selection screen.
Mission skip Intentionally fail a mission five times to have the option to skip the mission. Note: This cannot be done on the final mission.
New Camera Views To get more camera views, go to the Options screen, press and hold R & L, then enter the following code: B, B, B, B.
Unlock "The Car Built for Homer" To Unlock the Car Built for Homer, beat all the 10 'Road Rage' levels.
Flat characters At the options menu, hold L + R and press X(4) at the options menu. You will hear a sound when you enter the code correctly. All the people (except the character you selected) will be flat.
Unlock Smithers To unlock Smithers, go to the Options screen, press and hold R & L, then enter the following code: B, B, Y, Y.
Hidden Thanksgiving character Set the system date to November 22, 2001 to unlock Thanksgiving Marge (dressed in a Pilgrim costume) under the "?" at the character selection screen.
Unlock Nuclear Bus To unlock the Nuclear Bus, go to the Options screen, press and hold R & L, then enter the following code: B, B, Y, A.
Hidden New Year's character Set the system date to January 1 to unlock New Year's Krusty under the "?" at the character selection screen.
Hidden Christmas character Set the system date to December 25 to unlock Christmas Apu (dressed in a Santa costume) under the "?" at the character selection screen.
Nighttime mode At the options menu, hold L + R and press A(4). You will hear a sound when you enter the code correctly.
Hidden car Finish all ten missions in mission mode to unlock The Homer car. The car is selectable in any mode by choosing Homer's picture at the car select screen.
Unlock expert mode To unlock the special Expert Mode, press and hold L and R, then press START before you see the character selection screen. "Expert" will appear onscreen if done properly.
Show collision lines At the options menu, hold L + R and press B(2), A(2). You will hear a sound when you enter the code correctly.
Extra time To get +2 seconds, hit the phone booths that have Mr. Burns' picture on them. You can get +2 seconds in the road rage levels by running over the Transit bus stops.
