So, new Left 4 Dead 2 DLC is out for the PC/Mac and is completely free. Includes community campaign 'Cold Stream' and all the maps from the original game, Steam sale may be over but you can still get Left 4 Dead 2 for another 12 or so hours for £3.74

Tony Hawks HD doesn't have local multiplayer, so I frankly do not see the point in it existing at all.

Finished Botanicular, a game I got last week on the steam sale, it was a brilliantly imaginative point n click adventure whilst it lasted