Clicking Quit will close the Main Page. All inputs are via clicking the mouse on active areas and icons. All inputs are via the mouse. The first combination that is not found in array of combinations will be displayed in the seperate hint window. In the new separate hint window, one of the combinations that has not been selected will be shown.
All inputs are via the mouse to either the home icon or the next level icon.
Clicking on the home icon will return the user to the main window. Clicking on the next level button will advance to the first scenario of the next level. If the current Certificate is the certficate presented after the third level, the next level button will be absent. The game will advance to the next level in the same window when the next level icon is clicked. Loading should take no longer than 20 seconds on an average system.