Fantastic 2-player game collection!

â—† Bunch of games totally intuitive and fun!
â—† Play with your friends on a same device!
â—† 3 different level AI!
â—† Beautiful graphics supported by Retina Display.
â—† GameCenter leaderboard supported!
â—† Enjoy real-time competition!
â—† A real party-killer!

Is it a game which have to play with others?
No! It not only allows 2 player's battlebut also allows player to challenge himself/herself.