A method of operating a gaming device, comprising: displaying an arrangement of a predetermined number of symbol windows; receiving a selection of a number of the windows equal to the unique selection number and causing the display to present a graphical indication of the selected windows; undertaking play of a game, wherein as a result of the base game, each window is associated with a symbol, and wherein each symbol is displayed on the touchscreen display within its associated window, and wherein each symbol is randomly selected from a set comprising one or more first symbols and one or more second symbols; determining that one or more of the selected windows comprises a first symbol as a result of play of the base game; and awarding an award in accordance with the number of selected windows comprising first symbols and an award rule associated with the selected number of windows.