...unless you give it a 9/10.
They did this before with the last Tomb Raider game. It's a calculated exercise in getting the Metacritic score for the game on release day as high as possible.
Several mags have their review code already, but have to sit on their reviews until a hateful embargo expires at the end of the month. But Eidos, ever the helpful fellows that they are, have been offering a way around this embargo. If you dedicate the cover of your mag to Arkham Asylum and guarantee a score of at least 90%, Eidos will allow you to run the review early.
They did this before with the last Tomb Raider game. It's a calculated exercise in getting the Metacritic score for the game on release day as high as possible.