Racing game developer Codemasters has teased the next installment in its popular Dirt franchise. The tease comes courtesy of a couple of tweets, the first of which simply reads "4", with a second coming shortly after saying "oops sorry finger slipped". The last entry in the series, Dirt 3, hit the track in 2011 though the Complete Edition surfaced in 2012 replete with extra content and all the game's tracks. Obviously this isn't an official announcement but surely we won't have to wait much longer for a wealth of information on the new title. Continue reading…