A method of gaming in a gaming system comprise selecting a plurality of symbols for display on a display of the gaming system at a plurality of display positions, each display position comprising a plurality of borders, each display position having a least one common border with at least two other display positions. The method involves determining with the gaming system, whether there are one or more groups of at least three symbols corresponding to a designated winning symbol combination displayed at respective ones of a plurality of display positions linked in a contiguous group, the determination being based on the display positions sharing a common border. An award corresponding to a determined group is made.