Patent ID: 9734671
Date: 2017-08-15
CPC Classifications: G07F

Claim:
1. A method of allowing a player to play a gaming machine, comprising the steps of: receiving physical media by an acceptor device, the physical media have a monetary value; establishing a credit balance associated with the monetary value device; enabling a player to enter a wager using a user input device and reducing the credit balance by the wager; displaying, on a display device, a game including a plurality of reels displayed in a display area, each reel of the plurality of reels including a reel strip including a plurality of normal symbols positions and a plurality of special symbol positions; randomly generating an outcome of the game and displaying the game outcome on the display device, the game outcome including at least one special symbol position being displayed on at least one reel of the plurality of reels in the display area and including at least one of a first number of displayed special symbols positions and a second number of displayed special symbol positions that is greater than the first number of displayed special symbol positions; determining a symbol selection factor as a function of the generated game outcome; randomly selecting at least one special symbol from a predefined set of special symbols as a function of the symbol selection factor, the predefined set of special symbols including a first special symbol and a second special symbol, the first special symbol having a first value and the second special symbol having a second value that is greater than the first value, the first special symbol having a first selection probability that is less than a selection probability of the second symbol for the first number of special symbol positions and having a second selection probability that is greater than the selection probability of the second symbol for the second number of special symbol positions; displaying the game outcome including the selected special symbol displayed in each of the number of special symbol positions; and, modifying the credit balance as a function of the game outcome.