God of War III has pushed Final Fantasy XIII from the number one spot in the UK all-format charts this week after the title suffered a 80% drop in sales, according to the latest GfK Charts.  Final Fantasy XIII has dropped to third place but still holds the record for the fastest selling game in 2010, while Battlefield: Bad Company 2 retains second position. Kratos’ latest adventure outsold God of War II’s launch by a ratio of 2.65 to 1.