Also during june , metal gear solid and guitar hero on tour topped the game sales charts as nintendo wii and nintendo ds topped the console sales charts . W i i - here is the first sales report of nintendo wii in japan , between december - nintendo shipped , units of wii in japan and sold through , units in the . The latest console - sales figures to be released from npd group reveal that the wii has overtaken the xbox in being the most purchased console in the us . With the newest sales results , the wii is now officially the top selling console in the united states for this generation hardware nintendo ds - , 000 ; nintendo wii - , .

Question: Why did the wii overtake the xbox in being the most purchased console in the us ?
Answer: Because there is a sales report of Nintendo Wii in Japan .Because more people purchased the wii than the xbox .None of the above choices .Because metal gear solid and guitar hero on tour topped the game sales charts .