There’s been some confusion regarding the UK digital release of Left 4 Dead 2. It seems that those Brits who pre-ordered the game found it unlocked at 5am Tuesday (Valve time) as expected. However, anyone who’s bought it from Steam since has discovered it won’t unlock for them until Friday. Which seemed strange, since the game was announced for a worldwide digital release, the retail dates separate. We contacted Valve to find out why this happening, and it seems to be about the UK being at the back of the queue for retail copies.