Patent ID: 9092950
Filing Date: 2015-07-28
Classification: G07F

Abstract:
1. A method of allowing a player to play a gaming machine, comprising the steps of: displaying, on a display device, a game including a plurality of symbols at a plurality of symbol positions, the plurality of symbols including a plurality of normal symbols and at least one special symbol; randomly generating an outcome of a first game and displaying the generated first game outcome on the display device; providing an award to the player if a winning combination is displayed in the generated first game outcome; determining if a first special symbol is displayed in the generated first game outcome, responsively retaining the first special symbol during a subsequent second game, assigning a first multiplier factor to the first special symbol and generating the second game outcome including the retained first special symbol; and determining if a second special symbol is displayed in the second game outcome and responsively releasing the retained first special symbol in a subsequent third game if the second special symbol does not appear in the second game outcome and retaining the first and the second special symbols in the subsequent third game and assigning a second multiplier factor to the second special symbol if the second special symbol appears in the second game outcome.