World Championship Season

Players choosing the World Championship Season could race as Al Unser, Jr., or start their own team. Playing as Unser, Jr. gave the player the best car possible and the best chance to win immediately. If a player chose to start their own team, they would have to spend a season climbing up the rankings, improving the car. Players run a full 16-race schedule, with several races varying in distance.

If a player drives as Unser, Jr., he takes his likeness, and drives the blue and white Valvoline Lola- Chevrolet. If a players starts his own team, a name is entered, and personalized team colours are chosen. Unser, Jr.'s car is maxed out for set-up points, and a new entry starts with minimal set-up points. The remainder of the championship season is filled with fictional drivers, bringing the total to 26 cars per race.

At each race, the player has the chance to receive advice about the course from Al Unser, Jr., and set up the car to qualify. Unlimited practice is also allowed prior to qualifying. During qualifying, a player must complete one lap as fast as possible to determine the starting position on the grid. If a player qualifies fastest, they will start on the pole position. If a player retires from qualifying, he will start last (26th). The player is allowed one last opportunity to set up the car for the race, and chose the music to be played during the race. The race begins from a standing start, and runs a specific number of laps.

For each race, points towards the championship are awarded to the top six finishers (9-5-4-3-2-1), consistent with the points system utilized in Formula One at the time. The top six finishers also receive a certain number of set-up points to improve the car. At the end of the season, the driver with the most points wins the World Championship.

During each race, the player must avoid accidents such as running into other cars and hitting signposts. Accidents can harm engines or blow tires, which can be repaired by pitting. While pitting, the race is halted so as not to put the player at a disadvantage due to each race's unusually short length (about three to five laps).

The game uses a turbo boost system, which, when depleted, must be refilled before it causes engine damage.

Time trial mode

The game featured two time trial modes, "A" (with computer opponents) and "B" (without computer opponents). Players could choose any of the sixteen tracks, and number of laps (1-9). The gameplay was the same as that of the World Championship season. The fastest lap would be recorded for each session. As many as four different players could run the time trial, one at a time, and the best laps were recorded for comparison.

Turbo Racing features a 16-race Formula One schedule, loosely resembling that of 1988. Several of the tracks were not accurately depicted, and some were replaced. The sequence did not follow that of the Formula One schedule. The tracks were as follows:

Round	Race	Location
1	Brazil	Nelson Piquet
2	Spain	Jerez
3	Hungary	Hungaroring
4	Austria	Österreichring
5	West Germany	Hockenheim
3	Monaco	Monaco
4	Mexico	Rodriguez
5	Canada	Gilles Villeneuve
7	France	Paul Ricard
11	Belgium	Spa-Francorchamps
12	Italy	Monza
13	Portugal	Estoril
15	Japan	Suzuka
14	Australia	Adelaide
15	U.K.	Silverstone
16	United States	Long Beach

• The Austria circuit in the game is based on Zeltweg in Austria. Austria was no longer on the Formula One schedule at the time the game was released. The Imola circuit in San Marino, which was part of the schedule prior to and at the time the game was released, was absent from the game.
• The USA circuit is based on the Long Beach Grand Prix street circuit. The circuit was part of the Formula One circuit from 1976–1983, but used a slightly different layout at the time. Starting in 1984, and at the time the game was released, the Long Beach circuit was part of the CART series. The layout in the game depicts the circuit's configuration at that period. In his career, Unser, Jr. was very successful and won six times on the course, which is speculation on why the track was included in the game.
• The Mexico circuit used in the game was based on an old layout of Autodromo Hermanos Rodriguez, which was no longer in use at the time the game was released.
• All tracks in the game measured approximately 3.3 miles, and the fastest lap possible on any and all tracks was 52.6 seconds. In reality, all of the circuits widely vary in distance and lap time.

Al Unser Jr. Turbo Racing has generally been received favorably by critics, though with a bit of reservation. Stan Stepanic of Gamefreaks365, for example, cites the game's horrible collision detection and the impossibility of playing from scratch as major issues.

• Al Unser, Jr.
• Al Unser Jr.'s Road to the Top
• Michael Andretti's World GP
• Danny Sullivan's Indy Heat