Gaming system and a method of playing a game

Abstract

A method of gaming including: (a) generating and displaying a plurality of first symbols as a plurality of first symbol rows; (b) generating a plurality of second symbols; (c) adding the second symbols as one or more rows of second symbols to the plurality of first symbol rows to form a group of symbol rows comprising the first symbol rows and the second symbol rows; and (d) determining a game outcome from the group of symbol rows.

1 . A method of gaming comprising:
 (a) generating and displaying a plurality of first symbols as a plurality of first symbol rows;   (b) generating a plurality of second symbols;   (c) adding the second symbols as one or more rows of second symbols to the plurality of first symbol rows to form a group of symbol rows comprising the first symbol rows and the second symbol rows; and   (d) determining a game outcome from the group of symbol rows.   
   
   
       2 . The method of  claim 1 , comprising making a determination as to whether the second symbol rows are to be added to the first symbol rows. 
   
   
       3 . The method of  claim 1 , comprising determining an initial game outcome from the first symbol rows. 
   
   
       4 . The method of  claim 3 , comprising recalculating the initial game outcome based on the group of symbol rows comprised of the first symbol rows and the second symbol rows after the one or more second symbol rows are added. 
   
   
       5 . The method of  claim 1 , comprising displaying the first symbol rows are displayed as three symbol rows formed by a plurality of virtual reels, and inserting the one or more second symbol rows between the first and second first symbol rows or the second and third first symbol rows. 
   
   
       6 . The method of  claim 2 , wherein the determination of whether the second symbol rows are to be added is based on an additional bet made by a player either at the commencement of a game or after the first symbol rows are displayed 
   
   
       7 . The method of  claim 2 , comprising determining to add the second symbol rows in response to a predetermined stimulus. 
   
   
       8 . The method of  claim 7 , wherein the predetermined stimulus is selected from a group comprising reaching a certain level of a game, and obtaining a certain game outcome. 
   
   
       9 . The method of  claim 1 , wherein the method comprises an additional step of changing a set of win lines, used in the step of determining the game outcome, in response to the step of adding the second symbols. 
   
   
       10 . The method of  claim 2 , wherein the second symbols are determined by a random generator at the commencement of a game and displayed as the one or more second symbol rows in response to a determination to add the one or more second rows. 
   
   
       11 . The method of  claim 2 , wherein the second symbols are determined by a random generator in response to a determination to add the one or more second rows. 
   
   
       12 . The method of  claim 1 , wherein the display of the first plurality of row comprises a base game and the addition of the second symbol rows is part of a feature game. 
   
   
       13 . The method of  claim 1 , wherein a game outcome is determined based on a selection of one or more win lines which pass through a plurality of the rows which make up the first symbol rows or the group of symbol rows as the case may be. 
   
   
       14 . The method of  claim 1 , wherein a game outcome is determined based on a selection of one or more reels. 
   
   
       15 . A game controller for a gaming system, the game controller arranged to:
 (a) generate and displaying a plurality of first symbols as a plurality of first symbol rows;   (b) generate a plurality of second symbols;   (c) add the second symbols as one or more rows of second symbols to the plurality of first symbol rows to form a group of symbol rows comprised of the first symbol rows and the second symbol rows; and   (d) determine a game outcome from the group of symbol rows.   
   
   
       16 . The game controller of  claim 15 , arranged to determine whether the second symbol rows are to be added to the first symbol rows. 
   
   
       17 . The game controller of  claim 15 , arranged to determine an initial game outcome from the first symbol rows. 
   
   
       18 . The game controller of  claim 17 , arranged to recalculate the initial game outcome based on the group of symbol rows comprised of the first symbol rows and the second symbol rows after the one or more second symbol rows are added. 
   
   
       19 . The game controller of  claim 15 , arranged to cause the first symbol rows to be displayed as three symbol rows formed by a plurality of virtual reels, and the one or more second symbol rows to be inserted between the first and second first symbol rows or the second and third first symbol rows. 
   
   
       20 . The game controller of  claim 16 , wherein the determination of whether the second symbol rows are to be added is based on an additional bet made by a player either at the commencement of a game or after the first symbol rows are displayed 
   
   
       21 . The game controller of  claim 16 , wherein the determination to add the second symbol rows is made in response to a predetermined stimulus. 
   
   
       22 . The game controller of  claim 21 , wherein the predetermined stimulus is selected from a group comprising reaching a certain level of a game, and obtaining a certain game outcome. 
   
   
       23 . The game controller of  claim 16 , wherein the game controller is arranged to change a set of win lines, used in the step of determining the game outcome, in response to the step of adding the second symbols. 
   
   
       24 . The game controller of  claim 16 , wherein a random generator of the game controller is arranged to determine the second symbols at the commencement of a game and displayed as the one or more second symbol rows in response to a determination to add the one or more second rows. 
   
   
       25 . The game controller of  claim 16 , wherein a random generator of the game controller is arranged to determine in response to a determination to add the one or more second rows. 
   
   
       26 . The game controller of  claim 15 , wherein the display of the first plurality of row comprises a base game and the addition of the second symbol rows is part of a feature game. 
   
   
       27 . The game controller of  claim 15 , arranged to determine a game outcome based on a selection of one or more win lines which pass through a plurality of the rows which make up the first symbol rows or the group of symbol rows as the case may be. 
   
   
       28 . The game controller of  claim 15  arranged to determine a game outcome based on a selection of one or more reels. 
   
   
       29 . The game controller of  claim 16 , implemented by a processor executing program code stored in an associated memory. 
   
   
       30 . A gaming system comprising;
 a player interface comprising a display for displaying game outcomes; and   a game controller arranged to;   (a) generate and display a plurality of first symbols as a plurality of first symbol rows;   (b) generate a plurality of second symbols;   (c) add the second symbols as one or more rows of second symbols to the plurality of first symbol rows to form a group of symbol rows comprised of the first symbol rows and the second symbol rows; and   (d) determine a game outcome from the group of symbol rows.   
   
   
       31 . The gaming system of  claim 30 , wherein the game controller is arranged to determine whether the second symbol rows are to be added to the first symbol rows. 
   
   
       32 . The gaming system of  claim 30 , wherein the game controller is arranged to determine an initial game outcome from the first symbol rows. 
   
   
       33 . The gaming system of  claim 32 , wherein the game controller is arranged to recalculate the initial game outcome based on the group of symbol rows comprised of the first symbol rows and the second symbol rows after the one or more second symbol rows are added. 
   
   
       34 . The gaming system of  claim 30 , arranged to display the first symbol rows on the display as three symbol rows formed by a plurality of virtual reels, and the one or more second symbol rows to be inserted between the first and second first symbol rows or the second and third first symbol rows. 
   
   
       35 . The gaming system of  claim 31 , wherein the determination of whether the second symbol rows are to be added is based on an additional bet made by a player either at the commencement of a game or after the first symbol rows are displayed 
   
   
       36 . The gaming system of  claim 31 , wherein the determination to add the second symbol rows is made in response to a predetermined stimulus. 
   
   
       37 . The gaming system of  claim 36 , wherein the predetermined stimulus is selected from a group comprising reaching a certain level of a game, and obtaining a certain game outcome. 
   
   
       38 . The gaming system of  claim 30 , wherein the game controller is arranged to change a set of win lines, used in the step of determining the game outcome, in response to the step of adding the second symbols. 
   
   
       39 . The gaming system of  claim 31 , comprising a random generator arranged to determine the second symbols at the commencement of a game and displayed as the one or more second symbol rows in response to a determination to add the one or more second rows. 
   
   
       40 . The gaming system of  claim 31 , comprising a random generator arranged to determine in response to a determination to add the one or more second rows. 
   
   
       41 . The gaming system of  claim 30 , wherein the display of the first plurality of row comprises a base game and the addition of the second symbol rows is part of a feature game. 
   
   
       42 . The gaming system of  claim 30 , wherein the game controller is arranged to determine a game outcome based on a selection of one or more win lines which pass through a plurality of the rows which make up the first symbol rows or the group of symbol rows as the case may be. 
   
   
       43 . The gaming system of  claim 30 , wherein the game controller is arranged to determine a game outcome based on a selection of one or more reels. 
   
   
       44 . The gaming system of  claim 30 , comprising a processor executing program code stored in an associated memory to implement the game controller. 
   
   
       45 . The gaming system as claimed in  claim 30 , wherein the player interface comprised a game play mechanism operable by the player to initiate a play of the game. 
   
   
       46 . The gaming system as claimed in  claim 45 , wherein the game play mechanism is operable by the player to place an additional wager required to add the one or more second rows. 
   
   
       47 . A computer readable medium comprising computer program code which when executed implements the method of gaming, the method comprising:
 (a) generating and displaying a plurality of first symbols as a plurality of first symbol rows;   (b) generating a plurality of second symbols;   (c) adding the second symbols as one or more rows of second symbols to the plurality of first symbol rows to form a group of symbol rows comprising the first symbol rows and the second symbol rows; and   (d) determining a game outcome from the group of symbol rows.