Call of Duty and Just Dance games killed it in 2011.

For starters, total videogame sales in December were down 21% compared to 2010.

You can see the holiday effect in all its glory in this week’s sales chart. Meanwhile, Warriors Orochi 2 and SD Gundam: G Generation 3D make their debuts.

North America saw lots of sequels released in November and they all sold better than their predecessors.

Yes, we’re still talking about Japan here.