Ever play a video game for such extended periods of time that you feel like you're in game play mode even after you've put down the controller and stepped away from the screen? A couple of go-kart racers in Japan took that concept to the nth degree by actually dressing up as everyone's favorite mustachioed plumbers and hitting the streets in X-Karts capable of speeds of up to 40 miles per hour. In reality the ersatz Mario and Luigi were a couple of guys from the Japanese site Clicccar. We're not sure what the motivation was behind their stunt, unless it was to provide a healthy dose of awesomeness to onlookers. If that's the case, then mission accomplished. Click through to see a video of the racing action.