Patent ID: 11961356
Assignee: ARISTOCRAT TECHNOLOGIES AUSTRALIA PTY LIMITED
Field: Control (Instruments)
Classification: CPC G | IPC G

Claim 7:
8. A method of operating a gaming system to maintain a return-to-player percentage, the gaming system including a server and a client device comprising a display device, a processor, and a memory storing a plurality of instructions, which, when executed, cause the processor to initiate a game, the method comprising:
configuring a plurality of background patterns from a set of background reel strips and a first weighted table from a plurality of weighted tables for controlling the return-to-player percentage based on one or more random numbers generated by a random number generator;
animating a plurality of symbols selected from a set of foreground reel strips overlaying the plurality of background patterns configured;
responsive to the plurality of symbols selected including a qualifier symbol and a predetermined number of defined symbols, selecting a first replacement mechanism among a plurality of replacement mechanisms in the first weighted table to control the return-to-player percentage, the first replacement mechanism specifying a plurality of replacement symbols for replacing the qualifier symbol and the predetermined number of defined symbols;
animating a replacement of the qualifier symbol and the predetermined number of defined symbols with the plurality of replacement symbols specified by the first replacement mechanism; and
animating a winning combination evaluated from the plurality of symbols that have not been replaced and the plurality of replacement symbols.