FIFA 13 has sold through over 12 million units, outperforming FIFA 12. FIFA 13 outsold Call of Duty in Europe last year.
FIFA 13 is the highest grossing game in the series, followed by FIFA 12.
This week the team has been playing Sleeping Dogs and FIFA 12.
All online services, including multiplayer, will be down across all games for about two hours.
Spain's Alfonso Ramos previously won the competition in 2008, and walks away with $20,000 and a ticket to the Ballon d'Or Gala.
Max Payne 3 has entered the UK All Formats All Prices video game chart at No.1, beating off competition from click-fest Diablo III.
EA and 39 Studios' RPG the first new IP RPG to take the top spot since Pokemon in 2000.
Stats revealing that FIFA 12 outsold PES 2012 by 25:1 don't give the full picture across all territories, according to PES team leader Jon Murphy.
Battlefield 3 has entered the UK All Formats All Price video game chart at No.1, becoming the 10th biggest UK All Formats week 1 seller.
Bookmakers have made Activision's Call of Duty: Modern Warfare 3 the overwhelming odds-on favourite to claim Christmas No.1 2011.
Microsoft and Turn 10's Forza Motorsport 4 has entered the All Formats All Prices UK video game chart at No.1, claiming the biggest ever launch week for an Xbox 360 racing game.