Nintendo also releasing Kirby collection on Wii, and updating Mario Kart 7 in May.
More than 240 million units sold globally.
What we've been playing this week.
Predecessor has topped 50 million worldwide.
Win a trip for five to Japan.
Over half a million units of Nintendo's sporty sequel sold to US gamers.
Zelda, Mario, Kid Icarus, Star Wars and more.
The platform holder's far exceeds that of the industry as a whole.
The PSP's best-selling title in North America wouldn't make the Top 5 list for Nintendo DS.
If even half of these come true we'll be over the moon.
Over 6 million units sold as of November 30 according to internal figures.