World Grand Prix © 1986 Sega of America, Incorporated.
North American release. Game developed in Japan. See the original for more information; "The Circuit [Model G-1304]".
Description from the back cover:
Design some of the hottest Grand Prix race tracks in the world. And hit them fast in the hottest wheels ever to fly across the home video screen.
Your speed and daring will determine the race. If you're one of the top five finishers you can use your money to purchase even more supercharged parts for your car.
You win again. You get more parts. Making your car hotter. And hotter.
So nothing can stop you from nabbing the world championship. Except maybe the car that just pulled up beside you.
GAME ID: 5053
Released on October 1, 1986 in North America for the Sega Master System.