Mario Kart Wii raised standard races to 12 racers.
In Grand Prix, Mario Kart Wii places the player against 11 opponents, creating a 12-racer field. This was an increase from Mario Kart DS, whose normal races involve eight racers, and it made the Wii entry’s races feel more crowded and strategically unpredictable.
The larger field works alongside several major additions. Mario Kart Wii introduced motorcycles, expanded the roster, and supported motion-control play with the Wii Remote. Its Grand Prix contains four three-lap races, with points awarded according to finishing position across each cup.
The number 12 can cause confusion because local multiplayer on one Wii is limited to four players, with computer-controlled racers filling the remaining positions. Online Versus and Battle modes could also support up to 12 participants, but the quiz wording refers to the standard Grand Prix race structure: one human or local player group competing in a 12-racer field.