As an unconventional driving game,
The Simpsons Road Rage turns the various characters from the much loved TV show into glorified taxi cab drivers. You begin the game with the main Simpson clan as the available selection of drivers. Each has their own special car, and as you play the game and earn money from cab fares, other characters and cars are unlocked. You also start off with one location, Evergreen Terrace, a section of Springfield that includes the elementary school and church, as well as Krusty Burger and Kwik-E Mart. You also unlock other locations during the game by earning money.
There are four different play options: Road Rage, which has you picking up fares for money; Sunday Drive, where you can cruise Springfield at your own pace, but you earn no money; Mission Mode, where you complete specific tasks to unlock rewards; and Head to Head, where you compete with a friend in Split-Screen Mode.
Sunday Drive is identical to Road Rage expect there are no time limits, and you earn no money. In Road Rage, you are given a timer, and you are tasked with picking up fares and dropping them off at a given destination. An on-screen map clearly indicates the drop off point, and navigating to it, though hazardous, is fairly easy to do. Once you drop off the fare, you earn money depending on the percentage by which you beat the clock. You are given more time, and you then pick up another fare, and repeat the process. You can also earn bonuses, which adds some variety to the game.
As you progress through Road Rage, you can unlock either other characters and their cars, or other locations. This definitely adds variety to the game, as there are dozens of characters and six different locations. The game is initially quite fun, but it can become repetitive, as you are required to earn 1 million dollars, which would take quite some time to do.
Mission Mode presents progressively more difficult missions, and each uses a different character and car. Some of the missions are quite fun, but there are really only a few different types, so each ends up being only a variation of the others.