A system and method for providing a feature game

Abstract

A gaming machine comprises a display, a credit input mechanism operable to establish credits on the gaming machine, meters configured for monitoring credits established via the credit input mechanism and changes to the established credits due to play of the gaming machine, the meters including a credit meter to which credit input via the credit input mechanism is 5 added and a win meter, a random number generator, a game play mechanism configured for operation by a player to input a wager from the established credits and to initiate a play of a game, and a game controller comprising a processor and memory storing (i) game program code, and (ii) symbol data. The game controller executes the game program code stored in the memory and responsive to initiation of the play of the game with the game play mechanism to 10 conduct a base game by selecting symbols from the symbol data using the random number generator and displaying the selected symbols on the display, initiate a feature game comprising a plurality of free games in response to a trigger event in the base game, conduct each free game of the feature game by displaying a matrix of symbol display positions on the display, selecting from the symbol data using the random number generator in respect of each 15 symbol display position of the matrix of symbol display positions not already displaying a symbol having a particular characteristic, controlling the display to display each symbol having a particular characteristic selected for a symbol display position of the matrix of symbol display positions at the respective symbol display position, and holding each displayed symbol having a particular characteristic in place in the matrix of symbol display positions until 20 conclusion of the feature game. The game controller makes an award of a prize in response to all symbol display positions of the matrix being filled by symbols having a particular characteristic. 5 15 20 characteristic. 20 26 20 80 20 22 J ul 2 02 6 2 0 2 6 2 0 8 0 2 0 2 2 J u l 2 0 2 6

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