Abstract: Systems, methods, and articles of manufacture for electronic gaming are disclosed. In a first aspect, a gaming system may implement a method of electronic gaming. The method may include selecting a first plurality of symbols, displaying the first plurality of symbols in a first column of symbol display positions, selecting a second plurality of symbols, displaying the second plurality of symbols in a second column of symbol display positions, determining that the first plurality of symbols satisfies a symbol change condition, and replacing, in response to the determining that the first plurality of symbols satisfies the symbol change condition, the first plurality of symbols with a first plurality of jackpot symbols.