The Orange Box--which contains the aforementioned Portal and Team Fortress 2, as well as Half-Life 2 and its first two episodes--is available for the Xbox 360, PlayStation 3, and PC.

We don't get too many kart racers on PC, and for that I'm entirely thankful. However, the word on the streets of Green Hill Zone is that Sonic & All-Stars Racing Transformed is a good 'un - and it ...