Patent ID: 8460089

Claim:
A triggering method for a win outcome for play of a game on a gaming device, the method comprising: determining an amount of credit to wager on the game on commencement of game play on the gaming device, wherein the game comprises displaying a predefined plurality of symbols in respective initial display positions on a display of the gaming device, a winning outcome being defined by predetermined combinations of symbols displayed in the respective initial display positions; and setting a plurality of additional display positions to be displayed in the game in addition to the initial display positions, such that the total number of display positions displayed is proportional to the amount of credit wagered on the game, wherein wagering additional credit on play of the game thereby affects the probability of a win outcome being generated as a result of an increased number of total display positions, wherein the plurality of additional display positions are randomly positioned adjacent to one of the plurality of initial display positions, and wherein respective additional display positions are only active if they are adjacent an active initial display position.