Method of gaming, a gaming system and a game controller

1. A gaming machine, comprising:

a first video display;

a second video display;

a random number generator;

a game controller; and

a memory which stores instructions, wherein execution of the instructions by the game controller, cause the game controller to at least:

select a plurality of symbols from a symbol set;

display the plurality of symbols at a plurality of symbol display positions of the first video display;

make a determination as to whether to add at least one extra wild symbol to at least one of a plurality of symbol display positions of the first video display, wherein the determination is randomly made, based on the random number generator, without regard to the plurality of symbols selected from the symbol set;

in response to the determination being that no extra wild symbols are to be added to the plurality of symbol display positions evaluate the plurality of symbols to determine an award value; and

in response to the determination being to add at least one extra wild symbol to at least one of the plurality of symbol display positions:

randomly select, based, at least in part, on a value generated by the random number generator, a symbol display position from among all display positions of the plurality of symbol display positions as a wild symbol position;

control the second video display to display a first portion of a wild symbol awarding animation, during which an animated object is displayed moving on the second video display;

control the first video display and the second video display to display a second portion of the wild symbol awarding animation, during which the animated object, shown in the first portion of the wild symbol awarding animation, moves from the second video display to the first video display, moves to the wild symbol position, and displays a wild symbol at the wild symbol position; and

evaluate the plurality of symbols including the wild symbol at the wild symbol position to determine the award value.

2. The gaming machine as claimed in claim 1 , wherein the second video display is positioned above the first video display.

3. The gaming machine as claimed in claim 1 , wherein execution of the instructions further causes the game controller to:

select a quantity of extra wild symbols to add to the plurality of symbol display positions of the first video display; and

control the second video display to present a quantity of animated objects during the first portion of the wild symbol awarding animation, wherein the quantity of animated objects indicates the quantity of extra wild symbols to be added to the plurality of symbol display positions.

4. The gaming machine as claimed in claim 1 , wherein execution of the instructions further causes the game controller to:

select a multiple wild symbol as the wild symbol added to the wild symbol position; and

control the first video display to place the multiple wild symbol at the wild symbol position, divide the multiple wild symbol placed at the wild symbol position into a plurality of single wild symbols, add one single wild symbol of the plurality of single wild symbols to the wild symbol position, and add at least one other single wild symbol of the plurality of single wild symbols to another symbol display position of the plurality of symbol display positions.

5. The gaming machine as claimed in claim 4 , wherein the animated object associated with the multiple wild symbol is visually distinct from another animated object associated with the single wild symbol.

6. The gaming machine as claimed in claim 1 , wherein execution of the instructions, further causes the game controller to make the determination to add at least one extra wild symbol to at least one of the plurality of symbol display positions if a random value produced by the random number generator corresponds to a defined sub-range of a range of possible random values generated by the random number generator.

7. The gaming machine as claimed in claim 1 , wherein:

the plurality of symbol display positions comprises a plurality of columns;

each column of the plurality of columns represents a reel of a plurality of reels; and

execution of the instructions further causes the game controller to control the first video display to display the plurality of symbols on a plurality of reels spinning through the plurality of symbol display positions.

8. The gaming machine as claimed in claim 1 , wherein:

the plurality of symbol display positions are arranged in a matrix comprising a plurality of rows and a plurality of columns of symbol display positions; and

the instructions further cause the game controller to, at least, randomly select the wild symbol position from among all of the symbol display positions in the matrix that are not occupied by the wild symbol.

9. The gaming machine as claimed in claim 1 , wherein execution of the instructions further causes the game controller to randomly select, based on another random value produced by the random number generator, the wild symbol from a set of wild symbols including a single wild symbol and a multiple wild symbol.

10. The gaming machine as claimed in claim 1 , wherein execution of the instructions further causes the game controller to select the plurality of symbols and displays the wild symbol at the wild symbol position after receiving a wager.

11. A gaming machine, comprising:

a gaming cabinet configured to house components associated with the gaming machine;

a credit input mechanism coupled to the gaming cabinet and configured to receive a physical item associated with a monetary value for establishing a credit balance, the credit balance being increasable and decreasable based on wagering activity;

a wagering input mechanism;

a payout mechanism coupled to the gaming cabinet and configured to make a payout from the credit balance;

a first video display coupled to the gaming cabinet;

a second video display coupled to the gaming cabinet;

a game controller within the gaming cabinet;

a random number generator within the gaming cabinet; and

a memory within the gaming cabinet which stores instructions, wherein execution of the instructions causes the game controller to at least:

initiate a casino wagering game in response to receiving a wager input from the wagering input mechanism, the wager input indicative of a wager amount that is deducted from the credit balance;

display a plurality of reels via the first video display, the plurality of reels providing a matrix of symbol display positions on the first video display;

spin the plurality of reels to present, based on a value generated by the random number generator, a plurality of symbols from a symbol set in respective ones of the symbol display positions of the matrix of symbol display positions;

make a determination as to whether to add at least one extra wild symbol to the matrix of symbol display positions, wherein the determination is randomly made, based on the random number generator, without regard to the plurality of symbols presented from the symbol set;

in response to the determination being to add at least one extra wild symbol to the matrix of symbol display positions:

control the second video display to display a first portion of a wild symbol awarding animation, during which an animated object is displayed moving on the second video display;

control the first video display and the second video display to display a second portion of the wild symbol awarding animation during which the animated object, shown in the first portion of the wild symbol awarding animation, moves from the second video display to a selected symbol display position in the matrix of symbol display positions, and display a wild symbol at the selected symbol display position;

evaluate the plurality of symbols including the wild symbol displayed in the matrix of symbol display positions to determine an award value; and

update the credit balance with the award value; and

in response to the determination being to add no extra wild symbols to the matrix of symbol display positions:

evaluate the plurality of symbols displayed in the matrix of symbol display positions to determine the award value; and

update the credit balance with the award value.

12. The gaming machine as claimed in claim 11 , wherein execution of the instructions further causes the game controller to:

select a quantity of extra wild symbols to add to the matrix of symbol display positions; and

control the second video display to present a quantity of animated objects during the first portion of the wild symbol awarding animation, wherein the quantity of animated object indicates the quantity of extra wild symbols to be added to the matrix of symbol display positions.

13. The gaming machine as claimed in claim 11 , wherein execution of the instructions further causes the game controller to:

select a multiple wild symbol as the wild symbol added to the selected symbol display position; and

control the first video display to place the multiple wild symbol at the selected symbol display position, divide the multiple wild symbol placed at the selected symbol display position into a plurality of single wild symbols, add one single wild symbol of the plurality of single wild symbols to the selected symbol display position, and add at least one other single wild symbol of the plurality of single wild symbols to another symbol display position in the matrix of symbol display positions.

14. The gaming machine as claimed in claim 13 , wherein the animated object associated with the multiple wild symbol is visually distinct from another animated object associated with the single wild symbol.

15. The gaming machine as claimed in claim 11 , wherein execution of the instructions further causes the game controller to make the determination to add at least one extra wild symbol to the matrix of symbol display positions if a random value produced by the random number generator corresponds to a defined sub-range of a range of possible random values generated by the random number generator.

16. The gaming machine as claimed in claim 11 , wherein execution of the instructions further causes the game controller to randomly select the selected symbol display position from among all of the symbol display positions in the matrix that are not occupied by the wild symbol.

17. The gaming machine as claimed in claim 11 , wherein execution of the instructions further causes the game controller to randomly select, based on another random value produced by the random number generator, the wild symbol from a set of wild symbols including a single wild symbol and a multiple wild symbol.

18. The gaming machine as claimed in claim 11 , wherein execution of the instructions further causes the game controller to spin the plurality of reels and make the determination after receiving the wager input indicative of the wager amount.

19. A method of operating a gaming machine, the method comprising:

initiating a series of games, by a game controller of the gaming machine, in response to input received via a player interface of the gaming machine;

for each game in the series of games:

determining whether to add at least one extra wild symbol to at least one display position of a first video display of the gaming machine, wherein determining is randomly made, based on a random number generator of the gaming machine, without regard to symbols selected from a symbol set;

after determining to add at least one extra wild symbol to at least one display position of the first video display:

selecting, by the game controller based on a value generated by a random number generator of the gaming machine, a first plurality of symbols from the symbol set; displaying the first plurality of symbols in a matrix of symbol display positions on the first video display of the gaming machine;

randomly selecting, based, at least in part, on the random number generator, a symbol display position from among all display positions of the matrix of symbol display positions as a wild symbol position;

controlling, by the game controller, a second video display of the gaming machine to display a first portion of a wild symbol awarding animation, during which an animated object is displayed moving on the second video display;

controlling, by the game controller, the first video display and the second video display to display a second portion of the wild symbol awarding animation during which the animated object, shown in the first portion of the wild symbol awarding animation, moves from the second video display to the wild symbol position in the matrix of symbol display positions, and display a wild symbol at the wild symbol position;

evaluating, by the game controller, the first plurality of symbols including the wild symbol at the wild symbol position to determine an award value; and

updating a credit balance with the award value; and

after determining to add no extra wild symbols to the first video display:

selecting, by the game controller based on another value generated by the random number generator of the gaming machine, a second plurality of symbols from the symbol set;

displaying the second plurality of symbols in the matrix of symbol display positions on the first video display;

evaluating, by the game controller, the second plurality of symbols to determine the award value; and

updating the credit balance with the award value.

20. The method as claimed in claim 19 , further comprising:

selecting, with the game controller, a quantity of extra wild symbols to add to the plurality of symbol display positions of the first video display; and

controlling, with the game controller, the second video display to present a quantity of animated objects during the first portion of the wild symbol awarding animation, wherein the quantity of animated objects indicates the quantity of extra wild symbols to be added to the matrix of symbol display positions.

21. The method as claimed in claim 19 , further comprising:

selecting, with the game controller, a multiple wild symbol as the wild symbol added to the wild symbol position; and

controlling, with the game controller, the first video display to place the multiple wild symbol at the wild symbol position, divide the multiple wild symbol placed at the wild symbol position into a plurality of single wild symbols, add one single wild symbol of the plurality of single wild symbols to the wild symbol position, and add at least one other single wild symbol of the plurality of single wild symbols to another symbol display position in the matrix of symbol display positions.

22. The method as claimed in claim 21 , wherein the animated object associated with the multiple wild symbol is visually distinct from another animated object associated with the single wild symbol.

23. The method as claimed in claim 19 , further comprising determining to add at least one extra wild symbol to the first video display if a random value produced by the random number generator corresponds to a defined sub-range of a range of possible random values generated by the random number generator.

24. The method as claimed in claim 19 , wherein displaying the first plurality of symbols in the matrix of symbol display positions comprises displaying, by the game controller, the first plurality of symbols on a plurality of reels that spin through the matrix of symbol display positions.

25. The method as claimed in claim 19 , wherein:

the matrix of symbol display positions comprises a plurality of rows and a plurality of columns of symbol display positions; and

randomly selecting the wild symbol position from among all of the display positions in the matrix that are not occupied by the wild symbol.

26. The method as claimed in claim 19 , further comprising randomly selecting, with the game controller based on another random value produced by the random number generator, the wild symbol from a set of wild symbols including a single wild symbol and a multiple wild symbol.