Great reaction times separate the winners from the losers in kart racing. Champion kart racers think and act faster than the competition. With Extreme Karts, the ultimate racing game, you can test your driving skills to the max. Start your kart and dodge oncoming karts as you shift to higher and higher gears! Great reaction times let you keep driving longer and faster. Extreme Karts scores your driving as the seconds and minutes you can stay on the track.