When the Wii launched, no one knew what motion controller were or why we even needed them. So to get people excited about the new input method, Nintendo released Wii Sports as a free game to anyone who bought the Wii.
The game came with Boxing, Bowling, Golf, Tennis and Baseball – all mini games designed to show off the motion controller. It proved to be extremely popular – to date over 82 million copies have been sold, and the game did a great job of convincing people why they needed motion control (remember when nursing homes bought Wii units so people could play Wii Bowling?