Patent ID: 7455588
Filing Date: 2008-11-25
Classification: G07F

Abstract:
1. A gaming device operable under control of at least one processor, said gaming device comprising: a game operable upon a wager by a player; a plurality of reels including a plurality of symbols in said game, said symbols including at least one award symbol, at least one positive modifier symbol and at least one negative modifier symbol; and said at least one processor programmed for a play of the game to: (a) randomly determine a number of the positive modifier symbols to display on the reels; (b) randomly determine a number of the negative modifier symbols to display on the reels; (c) for each of the number of positive modifier symbols to be displayed on the reels, randomly determine a value to associate with the positive modifier symbol; (d) for each of the number of negative modifier symbols to be displayed on the reels, randomly determine a value to associate with the negative modifier symbol; (e) cause a display of a plurality of the symbols on the reels based on said determinations, wherein for each of any displayed positive modifier symbols and negative modifier symbols, the value associated with the symbol is masked until a triggering event occurs and an award is modified; (f) upon an occurrence of the triggering event based on at least said award symbol and said positive modifier symbol being displayed simultaneously on the reels, enable a player to select an input associated with the award symbol and display the award associated with said award symbol after the player selects the input; (g) modify the award by a designated number of positive modifiers associated with any of said positive modifier symbols displayed on said reels, and cause a display of each modification to the award from said positive modifiers; (h) modify the award by a designated number of negative modifiers associated with any of said negative modifier symbols displayed on said reels, and cause a display of each modification to the award from said negative modifiers; and (i) provide the modified award to the player for the play of the game.