Despite the fact that the initial digital prototype was not entirely working, the designers emulated game play by choosing diffusion activities and selecting members of staff. By observing the interaction they noticed that "players would need to move the mouse from one side of the monitor to the other for every single turn in the game" $($Lara$,$ Myers, Frick, Aslan, & Mithaelidou, $2010,$ p$.46).$ The requirement to move the mouse back and forth clearly presented a usability issue.