Each player has three towers consisting of a stick on which disks of different diameters can be placed. A larger disk cannot be placed on top of a smaller disk. At the beginning of the game, the user should select the number of disks to play with and the voice accompaniment option. There is an option to turn off the voice accompaniment. After selections on this window was done, the players’ towers are visualized on the screen and, if the voice accompaniment is not turned off, a greeting is played. Initially, all the player’s and the computer’s disks are on their respective Tower 1. The user makes the first move.