"Wii - Glee Karaoke Revolution Vol 3" is a singing video game based on the popular television show "Glee." Players can sing along to a selection of songs from the show, either solo or with friends, while lyrics appear on the screen. The game evaluates players' performances based on pitch and timing accuracy, offering feedback and scores. It also includes multiplayer modes for duets and group performances, making it a fun party game for fans of the show and karaoke enthusiasts alike.