CPC G07F 17/3213 (2013.01) [G06F 7/588 (2013.01); G07F 17/3227 (2013.01); G07F 17/326 (2013.01); G07F 17/3267 (2013.01)] | 20 Claims |
1. A gaming system for maintaining a return-to-player percentage, the gaming system comprising:
a server; and
a client device having a display device, at least one processor, and a memory storing a plurality of instructions, which, when executed, cause the at least one processor to at least:
receive from the server a configuration of a plurality of background patterns selected randomly from a set of background reel strips and a first weighted table from a plurality of weighted tables controlling the return-to-player percentage based on one or more random numbers generated by a random number generator,
control the display device to display a first plurality of symbols randomly selected overlaying a second plurality of symbols selected randomly from a set of foreground reel strips based on the one or more random numbers,
responsive to the first plurality of symbols selected including a qualifier symbol and the second plurality of symbols selected including a predetermined number of defined symbols, control the display device to animate the qualifier symbol and the predetermined number of defined symbols being replaced with a plurality of replacement symbols based on a replacement mechanism selected from the first weighted table satisfying the return-to-player percentage and the one or more random numbers, and
control the display device to animate an award evaluated based on the first plurality of symbols that have not been replaced and the replacement symbols displayed.
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