Playing video games is debated from last 40 years, Video games is great educational potential, and same popular in every age of group, this study is trying to evaluation of play Video Game on computer with keyboard control, Tetris Puzzle game is selected for experiment and one user who don¡¯t have any experience in past was requested to play this game with keyboard control at-least 50 time. Power Law of Practice is use to predict learning curve of the new Tetris game