NPD, GfK Chart-Track and Enterbrain have combined video game software sales lists for the respective regions they cover to declare Mario Kart Wii as the top selling game of 2008. Games sales across the "world's three largest games markets" saw an 11% increase, totaling 409.9 million units last year.
Top five selling games for US, UK and Japan combined:
- Mario Kart Wii - 8.94 million
- Wii Fit - 8.31 million
- Grand Theft Auto IV - 7.29 million
- Super Smash Bros. Brawl - 6.32 million
- Call of Duty: World at War - 5.89 million