Hardware sales were down 13%, software sales were down 11% and accessories were down 8%.
This was actually the smallest year-over-year decline in sales so far in 2012.
Here's a look at the top 10 best selling games for the month:
Call of Duty: Black Ops II (Activision Blizzard)
Halo 4 (Microsoft)
Assassin's Creed III (Ubisoft)
Just Dance 4 (Ubisoft)
Madden NFL 13 (Electronic Arts)
Skylander Giants (Activision Blizzard)
Need for Speed: Most Wanted 2012 (Electronic Arts)
NBA 2K13 (Take 2 Interactive)
WWE 13 (THQ)
FIFA Soccer 13 (Electronic Arts)
- Electronic Arts
- Activision Blizzard