US Patent 8702485 Dance game and tutorial

Presented herein are methods, apparatuses, programs, and systems for scoring a player performance comprising one or more poses in a dance-based video game. a performance 3D skeleton is received that indicates a pose of the player. A score is calculated by comparing a position, a timing, or both, associated with one or more joints of the performance 3D skeleton to a position, a timing, or both, associated with one or more joints of a target pose and altering one or more characteristics of the dance-based video game based on the score.