Unlockable - Hidden Car | |
| Complete all 10 missions in mission mode to unlock ''Homer: The Car built for the Average Man.'' This car is selectable in any mode by clicking on Homer's picture in the car select screen. | |
Secret - Skip Mission Levels and still get the Homer | |
| After you fail a mission mulitple times, you will be given a skip option at the restart menu. Skipping will not prevent you from getting the Homer, as long as you beat Mr. Burns in Mission 10. | |
Secret - Secret Holiday Characters | |
| If you set the PS2's internal clock(from the main menu) to the following dates, you can get secret characters- 10/31/01-Halloween Bart 11/22/01-Thanksgivng Marge 12/25/01-Christmas Apu 1/1/02-New Year's Barney | |
Easter Egg - Hidden Message. | |
| Select the Evergreen Terrace Level. Drive to Springfield Elementary. Now..carefully drive to the window where Bart usually writes on the chalkboard in the opening theme to The Simpsons. It may take a moment, but position yourself just right,(Usually at an angle is best for me) and it will read, ''This in not a clue, or is it?'' | |
Password - Cheat Codes | |
| Go into Options menu and hold L1 + R1 and press: | |
| More camera angles | Triangle, Triangle, Triangle, Triangle |
| Drive as red box | triangle, triangle, square, circle. |
| Drive as nuclear bus. | triangle, triangle, square, X. |
| No Map | square, triangle, triangle, circle to get rid of the map. |
| Disable All Cheats | Start four times. |
| Play as Smithers | Triangle twice and Square twice. |
| Overhead View | circle, circle. circle, square. |
| 2D Characters | circle four times. |
| Thanksgiving Marge | triangle, triangle, circle, circle |
| Stop The Time | Circle, Triangle, Square, X. Press Triangle to start the timer, 2nd time to stop, 3rd time to reset |
| Night Time on next level | X four times. |
| Christmas Apu | triangle, triangle, circle, triangle. |
| New Year's Krusty | Triangle, Triangle, Circle, Square |
| Halloween Bart | Triangle, Triangle, Circle, X |
| Wire-frame pictures | triangle, triangle, X, X |
| Turbo Mode | X, triangle, triangle, X |
| Slow Motion | X, circle, triangle, square. |
| horizontal split screen in two-player mode instead of the standard vertical split screen. | Square, square, square, square |
| Night Time | X, X, X, X |
| More money | Square, Square, Square, Square |
| Burn's transit bus | Triangle, Triangle, Square, X |
| Collision lines | Triangle twice, and X twice |
| Flat people | O, O, O, O |