How dirty is dirty enough? Two Rs, says Christina Aguilera, and she’s a judge on The Voice so she should know. After seven months in Steam Early Access, skidding through mud and gyrating against pine trees, the racing game now known as Dirrt Rally [official site] has properly launched. It screeched out with a big update too, with a wintery track set in Sweden. Codemasters seem very proud of their snow physics. I’d expense a trip to roll around in the snow if I could too. Horace, do we have room in our budget for a trip to Sweden? It’s vital to my understanding of this news post.