Driving is a muddy business, sure you’ll probably never actually trouble a hill-side puddle but with London’s smog, a drive through the capital could leave your car dirtier than any off-road jaunt. Sega want you to make the most of a filthy car and celebrate the launch of their own muddy video game, Sega Rally. Starting a trend and wanting fans to adorn their own cars, don’t be surprised if you see the odd racing slogan etched onto a van near you.