An electronic method of gaming comprising an electronic game controller: selecting, for each of at least one display area of a symbol display, a plurality of symbols for display at respective ones of a plurality of display positions arranged in the display area; evaluating the selected symbols to determine whether or not the selected symbols for display at at least two designated display positions are the same; upon determining that the selected symbols for display at at least two designated display positions are the same, applying a modification to each of the selected symbols for display at the at least two designated display positions to form a modified symbol display; and evaluating the modified symbol display to make an award.