US 11,699,327 B2
Gaming machine and method with persistent award modifier triggered and modified by appearance of a catalyst symbol
Kimberly Cohn, Las Vegas, NV (US); George Bouvier, Henderson, NV (US); and Kenneth Shawn Soong, Henderson, NV (US)
Assigned to LNW Gaming, Inc., Las Vegas, NV (US)
Filed by LNW Gaming, Inc., Las Vegas, NV (US)
Filed on Nov. 17, 2021, as Appl. No. 17/528,395.
Prior Publication US 2023/0154285 A1, May 18, 2023
Int. Cl. G07F 17/32 (2006.01); G07F 17/34 (2006.01)
CPC G07F 17/3267 (2013.01) [G07F 17/3213 (2013.01); G07F 17/34 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method of operating a gaming machine, the method comprising the operations of:
displaying, on an electronic display device, a plurality of symbol-bearing reels and an indicator, the indicator bearing a modifier; and
generating, by game-logic circuitry using a random number generator, a series of spin outcomes, wherein for each spin outcome:
spinning and stopping the plurality of symbol-bearing reels to populate an array with landed symbols from the stopped reels;
in response to the landed symbols including a catalyst symbol:
displaying, on the electronic display device, an animation linking the catalyst symbol to each of any value-bearing symbols in the landed symbols, wherein the animation comprises an animation of the catalyst symbol moving from its original landing position in the array to the landing position of each of the one or more landed value-bearing symbols and, based on the modifier, modifying the value associated with each of the one or more landed value-bearing symbols;
awarding the modified values; and
modifying the modifier for a subsequent spin outcome based on a type of the catalyst symbol, the type of the catalyst symbol being one of a plurality of possible types; and
in response to the landed symbols including one or more value-bearing symbols but not the catalyst symbol:
not awarding values associated with the landed value-bearing symbols; and
maintaining the modifier for the subsequent spin outcome.