IGN's summary of the review
In comparison XIII got a 8.9 and XIII got an 8.0 so not really that great a score. For some reason according to metacritic a 7/10 counts as a mixed review? That's kinda stupid if it were a film they'd be a good review.
I'll still get it.
http://uk.ign.com/articles/2014/02/11/lightning-returns-final-fantasy-xiii-review