The answer to the question “What was 2008’s bestselling game in the U.S.?” is “Wii Play.” Or is it? What about all those multi-platform, multi-SKU releases like Madden and Call of Duty: World at War?
https://kotaku.com/what-was-2008s-best-selling-game-in-the-u-s-5132576
Turns out the answer [[link]] is still [[link]] Wii Play, with almost all things considered. MTV Multiplayer got the NPD Group to cough up the multi-platform titles for games like Madden NFL 09 — which comes in 11 flavors — and World at War which was released for six platforms [[link]] in 2008.
The total tally puts Madden, not Mario Kart Wii in second place, with 5.25 million copies sold.
NPD Clarifies: The Real List Of Top 5 Best-Selling Games Of 2008 Is… [MTV Multiplayer]