Over 2.6m copies were sold its opening week with the first 2 days of FIFA 11 on sale being EA Sports busiest online with over 18.6m sessions.
"We're thrilled at how fans embraced FIFA 11 last weekend, and we are excited to be able to offer one of our most popular game modes - FIFA 11 Ultimate Team - for free this November," said EA Sports.
"This is a landmark achievement for EA Sports - we've shattered sales records at retail, critics are praising FIFA 11 as being one of the most authentic and innovative titles ever, and fans are connecting and competing with other gamers around the world and have logged a record number of online connected game sessions."
Ultimate Team is free this November and lets players build a squad of the very best footballers by earning or trading players. It's coming to Xbox 360 and PS3.
More than 18.6m EA Sports games were connected online during the first 2 days that FIFA 11 was on sale, making it their busiest period ever which includes over 11.3m FIFA 11 matches. It sold 821k copies in the UK its opening weekend - worth £28.93m.
FIFA 11 released on Xbox 360, PS3, PS2, PSP, Wii, DS and PC.