this is a game for recreation purpose. anyone can play the game to test his neurons. one hass to give commands in order to play and interface is made quite user friendly. program itself creates the puzzle of different toughness level as stated by user. it also allows user to increase the difficulty level even more than stated as he starts playing well. user can solve problems in a minute as well as create puzzles which will take hours to get solved according to his will. morover this is made for fun purpose sr=o anyone who plays the game will surely enjoy it.