Patent ID: 9286766
Filing Date: 2016-03-15
CPC Classification: G07F

Claim Text:
1. A method comprising: selecting a first symbol set from a global symbol group; receiving a first wager via a user interface before selecting the first symbol set; displaying the first symbol set, wherein the first symbol set includes at least two symbols; determining, using a stored payout table, a first payout amount, wherein the first payout amount is a function of the first symbol set and the received first wager; displaying the determined first payout amount; determining that a trigger event has occurred; responsive to determining that the trigger event has occurred, identifying at least two symbols in the first symbol set that are in a replaceable symbol group which is a subset of the global symbol group; for the identified at least two symbols in the first symbol set which are in the replaceable symbol group, making one selection of a replacement symbol that is in the global symbol group; displaying a second symbol set consisting of (i) the symbols in the first symbol set which are not in the replaceable symbol group, and (ii) for each of the identified at least two replacement symbols, the selected replacement symbol; receiving a second wager via the user interface after selecting the first symbol set and before displaying the second symbol set; determining, using the payout table, a second payout amount, wherein the second payout amount is a function of the second symbol set and the second wager; and displaying the determined second payout amount.