Method of gaming, a gaming system and a game controller

1. An electronic method of playing of a game using a gaming machine, the method comprising:

establishing a credit balance in response to a credit input of the gaming machine receiving a physical item associated with a monetary value;

increasing and decreasing the credit balance based at least on a wagering activity;

in accord with the wagering activity, selecting, via a game controller of the gaming machine, a plurality of symbols;

displaying, via a display of the gaming machine, each symbol of the plurality of symbols at a display position of a plurality of sets of display positions;

selecting, via the game controller, at least one modification condition from a plurality of modification conditions;

in response to the plurality of symbols forming a winning outcome, determining, via the game controller, whether the at least one modification condition has been met;

in response to said determining that the at least one modification condition has been met, selecting, via the game controller, a symbol set modification from a plurality of symbol set modifications, and modifying, via said game controller, the plurality of the symbols displayed at the plurality of sets of display positions, including interchanging the symbols displayed at a first set of the plurality of sets of display positions with the symbols displayed at a second set of the plurality of sets of display positions based on the symbol set modification selected from the plurality of symbol set modifications;

awarding a first award based on the winning outcome; and

determining whether to make a second award based on the symbols displayed at the plurality of sets of the display positions as modified.

2. The electronic method as claimed in claim 1 , wherein each set of the plurality of sets of display positions comprises a column of the display positions.

3. The electronic method as claimed in claim 1 , wherein said selecting the symbol set modification from the plurality of symbol set modifications includes selecting the symbol set modification based on the winning outcome.

4. The electronic method as claimed in claim 1 , wherein said modifying the plurality of symbols further comprises interchanging the symbols displayed at a third set of the plurality of sets of display positions with the symbols displayed at a fourth set of the plurality of sets of display positions.

5. The electronic method as claimed in claim 1 , further comprising:

modifying, via the game controller, the symbols displayed at two different sets of the plurality of sets of display positions; and

determining, via the game controller, whether to make a third award based on the symbols displayed at the plurality of sets of display positions as twice modified.

6. The electronic method as claimed in claim 1 , further comprising randomly selecting, via the game controller, the second set from the plurality of sets of display positions.

7. The electronic method as claimed in claim 1 , wherein the modifying further includes at least one of: displaying on said display a swapping of the symbols of the first set of the plurality of sets of display positions with the symbols of the second set of the plurality of sets of display positions; displaying the symbols of the first set of the plurality of sets of display positions hopping to the second set of the plurality of sets of display positions; displaying the symbols of the first set of the plurality of sets of display positions sliding to the second set of the plurality of sets of display positions; and displaying a symbol from the symbols of the first set of the plurality of sets of the display positions flipping to another symbol from the symbols of the second set of the plurality of sets of display positions.

8. The electronic method as claimed in claim 1 , wherein one of said plurality of modification conditions includes whether an ante bet has been made.

9. The electronic method as claimed in claim 1 , further comprising repeating the interchanging until all combinations of interchanging are exhausted.

10. The electronic method as claimed in claim 1 , further comprising randomly determining an order for interchanging sets of the plurality of sets of display positions.

11. A gaming machine comprising:

a credit input configured to receive a physical item associated with a monetary value to establish a credit balance;

a credit meter configured to monitor the credit balance, the credit balance being increasable and decreasable based at least on a wagering activity;

a display including a plurality of sets of display positions;

a game controller configured to:

select, in accord with the wagering activity, a plurality of symbols;

display, via the display, each symbol of the plurality of symbols at a display position of the plurality of sets of display positions;

select at least one modification condition from a plurality of modification conditions;

in response to the plurality of symbols forming a winning outcome, determine whether the least one modification condition has been met;

in response to determining that the modification condition has been met, select a symbol set modification from a plurality of symbol set modifications, and modify the plurality of symbols displayed at the plurality of sets of display positions, including interchanging the symbols displayed at a first set of the plurality of sets of display positions with the symbols displayed at a second set of the plurality of sets of display positions based on the symbol set modification selected from the plurality of symbol set modifications;

award a first award based on the winning outcome; and

award a second award based on the symbols displayed at the plurality of sets of display positions as modified.

12. The gaming machine as claimed in claim 11 , wherein each set of the plurality of sets of display positions is displayed as a column of display positions on the display.

13. The gaming machine as claimed in claim 11 , wherein the game controller is further configured to randomly select the second set from the plurality of sets of display positions based on the winning outcome.

14. The gaming machine as claimed in claim 11 , wherein the game controller is configured to further modify the plurality of symbols by interchanging the symbols displayed at a third set of the plurality of sets of display positions with the symbols displayed at a fourth set of the plurality of sets of display positions.

15. The gaming machine as claimed in claim 11 , wherein

the game controller is configured to: modify the symbols displayed at two different sets of the plurality of sets of display positions; and

determine whether to make a third award based on the symbols displayed at the plurality of sets of display positions as twice modified.

16. The gaming machine as claimed in claim 11 , wherein the game controller is further configured to randomly select the second set from the plurality of sets of display positions.

17. The gaming machine as claimed in claim 11 , wherein the game controller is further configured to display, at least one of: swapping of the symbols of the first set of the plurality of sets of display positions with the symbols of said second set of the plurality of sets of display positions on the display;

hopping the symbols from the first set of the plurality of sets of display positions to the second set of the plurality of sets of display positions on the display;

sliding the symbols from the first set of the plurality of sets of display positions to the second set of the plurality of sets of display positions on the display; and

flipping a symbol from the symbols of the first set of the plurality of sets of display positions to another symbol from the symbols of the second set of the plurality of sets of display positions on the display.

18. The gaming machine as claimed in claim 11 , wherein one of said plurality of modification conditions includes whether an ante bet has been made.

19. The gaming machine as claimed in claim 11 , wherein the game controller is further configured to repeatedly interchange sets of the plurality of sets of display positions until all combinations of interchanging are exhausted.

20. The gaming machine as claimed in claim 11 , wherein the game controller is further configured to randomly determine an order for interchanging sets of the plurality of sets of display positions.