High School Musical: Sing It! is a video game based on the popular 2006 television movie High School Musical and its 2007 sequel High School Musical 2 for the Wii and PlayStation 2.
Troy, Gabriella, Chad, Taylor, Ryan, and Sharpay are available to the player or they can create their own character. The visuals of the game are animated and based on motion-capture.
Source: Wikipedia, "[http://en.wikipedia.org/wiki/High_School_Musical:_Sing_It!]," available under the CC-BY-SA License.