I bet this has to do with Game being close to going pop.....that won't be good for any gamers.Seems Game dropped the ball on this one...
Thank you for preordering Mass Effect 3 from GAME.co.uk
We're contacting you with news that, unfortunately we are not in a position to supply you with your copy of Mass Effect 3. As dedicated gamers, we know how disappointing this will be for you, and we apologise sincerely for the inconvenience that this will cause.
The Customer Service Team