AU2019216703A1

AU2019216703A1 - A gaming system and a method of gaming

Info

Publication number: AU2019216703A1
Application number: AU2019216703A
Authority: AU
Inventors: Michael Allan Shai-Hee
Original assignee: Aristocrat Technologies Australia Pty Ltd
Current assignee: Aristocrat Technologies Australia Pty Ltd
Priority date: 2008-02-25
Filing date: 2019-08-16
Publication date: 2019-09-05
Also published as: AU2017204315A1; AU2012201412A1; AU2015207948A1

Abstract

Abstract A gaming system is disclosed which comprises a symbol 5 selector arranged to select a plurality of symbols which correspond to at least one winning symbol combination when the symbol combination coincides with a win line, and to display the symbols at a plurality of display positions. The system also comprises a win line selector arranged to 10 automatically select at least one win line from a plurality of available win lines, and an outcome evaluator arranged to determine that a winning outcome exists when a selected symbol combination coincides with a selected win line. A corresponding method is also disclosed. 11623067_1 (GHMaers) P64296.AU.5

Description

A GAMING SYSTEM AND A METHOD OF GAMING

Field of the Invention

The present invention relates to a gaming system and to a method of gaming.

Background of the Invention

It is known to provide a gaming system which comprises a game controller arranged to randomly display several symbols from a predetermined set of symbols and to determine a game outcome such as a game win based on the displayed symbols. In some arrangements, a win outcome is defined on the basis of occurrence of symbols along defined win lines which may be preselected or selected by a player prior to display of symbols by the gaming system.

Such gaming systems may commonly be implemented as a stepper machine provided with reels with each reel carrying several symbols of the set, or a video machine wherein selected symbols are displayed on virtual reels on a graphical display device.

However, while such gaming systems provide users with enjoyment, a need exists for alternative gaming systems in order to maintain or increase player enjoyment.

Summary of the Invention

In accordance with a first aspect of the present invention, there is provided a gaming system comprising: a symbol selector arranged to select a plurality of symbols for display at a plurality of display positions, the selected symbols including at least one predefined symbol combination;

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2019216703 16 Aug 2019 a win line selector arranged to automatically and randomly select at least one win line from a plurality of available win lines in response to the plurality of symbols being selected for display; and an outcome evaluator arranged to determine that a winning outcome exists in response to the predefined symbol combination coinciding with and being displayed on the selected win line.

In one embodiment, the selected win line includes a first number of associated symbol positions and the predefined symbol combination includes a second number of symbols, the second number being equal to the first number.

In an alternative embodiment, the selected win line includes a first number of associated symbol positions and the predefined symbol combination includes a second number of symbols, the second number being less than the first number .

In an alternative embodiment, the predefined symbol combination is selectable from a plurality of possible winning symbol combinations.

In one embodiment, the symbol selector is arranged to facilitate selection of a predefined symbol combination by a player and/or to facilitate selection by a player of the number of predefined symbols in the symbol combination.

In an alternative embodiment, the symbol selector is arranged to automatically select a predefined symbol combination, for example randomly.

In one embodiment, the symbol selector is arranged to select a plurality of predefined symbol combinations and/or the win line selector is arranged to select a plurality of win lines.

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2019216703 16 Aug 2019

The gaming system may be arranged to operate in normal game mode and special game mode, and the win line selector is arranged to automatically select at least one win line from a plurality of available win lines, and the outcome evaluator is arranged to determine that a winning outcome exists when the predefined symbol combination coincides with a selected win line only when the gaming system operates during special game mode.

The gaming system may be arranged to commence special game mode when a predetermined game outcome occurs, on the basis of a game event occurring during a game such as display of a particular symbol, in response to player input, based on the amount or type of bet placed, or when a special game is purchased by a player.

In one embodiment, the gaming system is arranged such that only symbols forming part of the predefined symbol combination are displayed.

The gaming system may be implemented as a stand alone gaming machine or across a network.

In one embodiment, one or more of the symbol selector, win line selector and the outcome evaluator is constituted, at least in part, by a processor executing program code stored in a memory.

In one embodiment, the gaming system comprises a game play mechanism operable to place a wager and the outcome evaluator evaluates the outcome based on the wager.

In accordance with a second aspect of the present invention, there is provided a method of gaming comprising :

11623067_1 (GHMatters) P64296.AU.5

2019216703 16 Aug 2019 selecting a plurality of symbols for display at a plurality of display positions, the selected symbols including at least one predefined symbol combination;

automatically and randomly selecting at least one win 5 line from a plurality of available win lines in response to the plurality of symbols being selected for display; and determining that a winning outcome exists in response to the predefined symbol combination coinciding with and being displayed on the selected win line.

In accordance with a third aspect of the present invention, there is provided a computer program arranged when loaded into a computer to instruct the computer to operate in accordance with a gaming system comprising:

a symbol selector arranged to select a plurality of symbols for display at a plurality of display positions, the selected symbols including at least one predefined symbol combination;

a win line selector arranged to automatically and randomly select at least one win line from a plurality of available win lines in response to the plurality of symbols being selected for display; and an outcome evaluator arranged to determine that a winning outcome exists in response to the predefined symbol combination coinciding with and being displayed on the selected win line.

In accordance with a fourth aspect of the present invention, there is provided a computer readable medium having computer readable program code embodied therein for causing a computer to operate in accordance with a gaming system comprising:

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In accordance with a fifth aspect of the present invention, there is provided a data signal having computer readable program code embodied therein for causing a computer to operate in accordance with a gaming system comprising :

Brief Description of the Drawings

The present invention will now be described, by way of example only, with reference to the accompanying drawings, in which:

Figure 1 is a schematic block diagram of core components of a gaming system in accordance with an embodiment of the present invention;

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Figure 2 is a schematic block diagram of functional components of a gaming system in accordance with an embodiment of the present invention;

Figure 3 is a diagrammatic representation of a gaming 5 system in accordance with an embodiment of the present invention with the gaming system implemented in the form of a stand alone gaming machine;

Figure 4 components of 5

Figure of a memory

Figure accordance with an is a schematic block diagram of operative the gaming machine shown in Figure 3;

is a of the is a schematic block diagram of components gaming machine shown in Figure 3;

schematic diagram of a gaming system in alternative embodiment of the present invention with the gaming system implemented over a network;

Figure 7 is a a gaming system in present invention;

Figures 8a and 8b are diagrammatic representations of flow diagram illustrating accordance with an embodiment of the game play of and example screens displayed by a gaming system in accordance with an embodiment of the present invention during implementation of a game; and

Figures 9a to 9d are diagrammatic representations of further example symbol combinations which are selectable by a player in an alternative embodiment of a gaming system in accordance with an embodiment of the present invention .

Description of an Embodiment of the Invention

The present gaming system operates such that at least during a portion of a game implemented by the gaming system, a symbol combination capable of constituting a winning outcome is displayed and a win line is randomly 35 selected from a set of defined win lines. If the displayed symbol combination coincides with the selected win line, a winning outcome occurs.

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2019216703 16 Aug 2019

Referring to the drawings, there is shown a schematic block diagram of a gaming system 10 arranged to implement a probabilistic game of the type operable in normal game mode and special game mode, wherein during normal game mode several symbols from a set of symbols are randomly displayed and a game outcome is determined on the basis of the displayed symbols with reference to defined outcome patterns and/or defined win lines, and during special game mode a symbol combination capable of constituting a winning outcome is displayed and a win line is randomly selected from a set of defined win lines.

With some such probabilistic games, the set of symbols used during normal game mode include standard symbols and function symbols, and the game outcome is determined on the basis of the displayed standard symbols and the function associated with any displayed function symbol. For example, standard symbols may resemble fruit such as apples, pears and bananas with a win outcome being determined when a predetermined number of the same fruit appear on a display along a win line, or are displayed according to defined outcome patterns such as scattered, and so on. The function associated with a function symbol may be for example a wild function wherein display of the function symbol is treated during consideration of the game outcome as any of the standard symbols. A function symbol may be represented as the word WILD, a star, or by any other suitable word or symbol. Other functions are also envisaged such as scatter functions, multiplier functions, repeat win functions, jackpot functions and feature commencement functions .

Referring to Figure 1, a schematic diagram of core components of a gaming system 10 in accordance with the present embodiment is shown. The core components comprise a player interface 30 and a game controller 32. The

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2019216703 16 Aug 2019 player interface 30 is arranged to enable interaction between a player and the gaming system and for this purpose includes input/output components required for the player to enter instructions and play the game.

Components of the player interface 30 may vary but will typically include a credit mechanism 34 to enable a player to input credits and receive payouts, one or more displays 36 which may comprise a touch screen, and a game play mechanism 38 arranged to enable a player to input game play instructions .

The game controller 32 is in data communication with the player interface 30 and typically includes a processor 40 15 arranged to process game play instructions and output game player outcomes to the display 36. Typically, the game play instructions are stored as program code in a memory 42 that can also be hardwired. It will be understood that in this specification the term processor is used to refer generically to any device that can process game play instructions and may include a microprocessor, microcontroller, programmable logic device or other computational device such as a personal computer or a server .

A functional diagram illustrating operative components of the game controller 32 is shown in Figure 2.

The memory 42 is arranged to store symbols data 14 indicative of a plurality of symbols, in the present example associated with a plurality of reels, win lines data 15 indicative of win lines available for use during normal game mode and available for selection during special game mode, function data 16 indicative of one or more functions allocatable to the symbols, and game instruction data 18 indicative of game instructions usable by the gaming machine 10 to control operation of the game.

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The game controller 32 includes a symbol selector 20 which is arranged to select several symbols from the available symbols for display to a player in a plurality of display positions, in this example by spinning reels containing the symbols and stopping the reels so as to display at least one symbol on each reel. In this example, the selection carried out by the symbol selector 20 is made using a random number generator 22.

During special game mode, the symbol selector 20 selects a combination of symbols for display which corresponds to a winning combination according to one or more win lines.

It will be appreciated that the random number generator 22 may be of a type which is arranged to generate pseudo random numbers based on a seed number, and that in this specification the term random will be understood accordingly to mean truly random or pseudo random.

With this embodiment, the game controller 32 also comprises a trigger determiner 24 arranged to determine whether a trigger condition exists and to commence special game mode when a trigger condition has been detected.

Such a trigger condition may be display of a particular symbol or combination of symbols .

The trigger determiner 24 communicates with a line selector 25 arranged during special game mode to select one of the win lines stored in the memory 42 to be used in determining whether a win outcome exists during special game mode .

In this example, the game controller 32 also comprises a function allocator 26 arranged to select and allocate one or more functions to one or more symbols. Such functions

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2019216703 16 Aug 2019 include a wild function, a scatter function, or any other function which may be applied to a symbol or to the game.

The game controller 32 also comprises an outcome evaluator 5 28 which in accordance with the game instructions 18 determines game outcomes based on the symbols selected for display to the player by the symbol selector 20 during normal game mode, and during special game mode based on a symbol combination selected by the symbol selector 20 and 10 a win line selected by the line selector 25.

It will be understood that the symbol selector 20 may be arranged such that the symbol combination selected for use during special game mode is fixed, is randomly selected, 15 or is selectable by a player from all available symbol win combinations or from some of the available symbol win combinations .

In the embodiments described below, the symbol selector

20, the trigger determiner 24, the line selector 25, the function allocator 26, and the outcome evaluator 28 are at least partly implemented using the processor 40 and associated software, although it will be understood that other implementations are envisaged.

The gaming system 10 can take a number of different forms.

In a first form, a stand alone gaming machine is provided wherein all or most components required for implementing 30 the game are present in a player operable gaming machine.

In a second form, a distributed architecture is provided wherein some of the components required for implementing the game are present in a player operable gaming terminal 35 and some of the components required for implementing the game are located remotely relative to the gaming machine. For example, a thick client architecture may be used

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2019216703 16 Aug 2019 wherein part of the game is executed on a player operable gaming terminal and part of the game is executed remotely, such as by a gaming server; or a thin client architecture may be used wherein most of the game is executed remotely such as by a gaming server and a player operable gaming terminal is used only to display audible and/or visible gaming information to the player and receive gaming inputs from the player.

However, it will be understood that other arrangements are envisaged. For example, an architecture may be provided wherein a gaming terminal is networked to a gaming server and the respective functions of the gaming terminal and the gaming server are selectively modifiable. For example, the gaming system may operate in stand alone gaming machine mode, thick client mode or thin client mode depending on the game being played, operating conditions, and so on. Other variations will be apparent to persons skilled in the art.

A gaming system in the form of a stand alone gaming machine 50 is illustrated in Figure 3. The gaming machine 50 includes a console 52 having a display 54 on which is displayed representations of a game 56 that can be played by a player. A mid-trim 60 of the gaming machine 50 houses a bank of buttons 62 for enabling a player to interact with the gaming machine, in particular during gameplay. The mid-trim 60 also houses a credit input mechanism 64 which in this example includes a coin input chute 64A and a bill collector 64B. Other credit input mechanisms may also be employed, for example, a card reader for reading a smart card, debit card or credit card.

A top box 66 may carry artwork 68, including for example pay tables and details of bonus awards and other information or images relating to the game. Further

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2019216703 16 Aug 2019 artwork and/or information may be provided on a front panel 69 of the console 52. A coin tray 60 is mounted beneath the front panel 69 for dispensing cash payouts from the gaming machine 50.

The display 54 is in the form of a video display unit, particularly a cathode ray tube screen device.

Alternatively, the display 54 may be a liquid crystal display, plasma screen, or any other suitable video 10 display unit. The top box 66 may also include a display, for example a video display unit, which may be of the same type as the display 54, or of a different type. The display 54 may comprise a touch screen usable by a player to interact with the gaming machine, in particular during 15 game play.

The display 54 in this example is arranged to display representations of several reels, each reel of which has several associated symbols. Typically 3, 4 or 5 reels are 20 provided. During operation of the game, the reels first appear to rotate then stop with typically three symbols visible on each reel. Game outcomes are determined on the basis of the visible symbols together with any special functions associated with the symbols.

A player marketing module (PMM) 72 having a display 74 is connected to the gaming machine 50. The main purpose of the PMM 72 is to allow the player to interact with a player loyalty system. The PMM has a magnetic card reader 30 for the purpose of reading a player tracking device, for example as part of a loyalty program. However other reading devices may be employed and the player tracking device may be in the form of a card, flash drive or any other portable storage medium capable of being read by the 35 reading device. In this example, the PMM 62 is a Sentinel

III device produced by Aristocrat Technologies Pty Ltd.

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Figure 4 shows a block diagram of operative components of a gaming machine 100 which may be the same as or different to the gaming machine shown in Figure 3.

The gaming machine 100 includes a game controller 101 having a processor 102. Instructions and data to control operation of the processor 102 in accordance with the present invention are stored in a memory 103 which is in data communication with the processor 102.

Typically, the gaming machine 100 will include both volatile and non-volatile memory and more than one of each type of memory, with such memories being collectively represented by the memory 103.

Figure 5 shows a block diagram of the main components of an exemplary memory 103. The memory 103 includes RAM 103A, EPROM 103B and a mass storage device 103C. The RAM 103A typically temporarily holds program files for execution by the processor 102 and related data. The EPROM 103B may be a boot ROM device and/or may contain some system or game related code. The mass storage device 103C is typically used to store game programs, the integrity of which may be verified and/or authenticated by the processor 102 using protected code from the EPROM 103B or elsewhere.

The gaming machine has hardware meters 104 for purposes including ensuring regulatory compliance and monitoring player credit, an input/output (I/O) interface 105 for communicating with a player interface 120 of the gaming machine 100, the player interface 120 having several peripheral devices. The input/output interface 105 and/or the peripheral devices may be intelligent devices with their own memory for storing associated instructions and data for use with the input/output interface or the peripheral devices. A random number generator module 113

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2019216703 16 Aug 2019 generates random numbers for use by the processor 102.

In the example shown in Figure 4, the peripheral devices that communicate with the game controller 101 comprise one or more displays 106, a touch screen and/or bank of buttons 107, a card and/or ticket reader 108, a printer 109, a bill acceptor and/or coin input mechanism 110 and a coin output mechanism 111. Additional hardware may be included as part of the gaming machine 100, or hardware may be omitted as required for the specific implementation .

In addition, the gaming machine 100 may include a communications interface, for example a network card 112.

The network card may, for example, send status information, accounting information or other information to a central controller, server or database and receive data or commands from the central controller, server or database .

It is also possible for the operative components of the gaming machine 100 to be distributed, for example input/output devices 106,107,108,109,110,111 may be provided remotely from the game controller 101.

Figure 6 shows a gaming system 200 in accordance with an alternative embodiment. The gaming system 200 includes a network 201, which for example may be an Ethernet network, a LAN or a WAN. In this example, three banks 203 of two gaming devices 202 are connected to the network 201. The gaming devices 202 provide a player operable interface may have simplified functionality depending on the requirements for implementing game play. While banks 203 of two gaming devices are illustrated in Figure 6, banks of one, three or more gaming devices are also envisaged.

One or more displays 204 may also be connected to the

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2019216703 16 Aug 2019 network 201. The displays 204 may, for example, be associated with one or more banks 203 of gaming devices. The displays 204 may be used to display representations associated with game play on the gaming devices 202, and/or used to display other representations, for example promotional or informational material.

In a thick client embodiment, a game server 205 implements part of the game played by a player using a gaming device

202 and the gaming device 202 implements part of the game.

With this embodiment, as both the game server 205 and the gaming device 202 implement part of the game, they collectively provide a game controller. A database management server 206 may manage storage of game programs and associated data for downloading or access by the gaming devices 202 in a database 206A. Typically, if the gaming system enables players to participate in a Jackpot game, a Jackpot server 207 will be provided to monitor and carry out the Jackpot game.

In a variation of the above thick client embodiment, the gaming device 202 may implement the game, with the game server 205 functioning merely to serve data indicative of a game to the gaming device 202 for implementation.

With this implementation, a data signal containing a computer program usable by the gaming device to implement the gaming system may be transferred from the game server to the gaming device, for example in response to a request 30 by the gaming device.

In a thin client embodiment, the game server 205 implements most or all of the game played by a player using a gaming device 202 and the gaming device 202 essentially provides only the player interface. With this embodiment, the game server 205 provides the game controller. The gaming device will receive player

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2019216703 16 Aug 2019 instructions, and pass the instructions to the game server which will process them and return game play outcomes to the gaming device for display. In a thin client embodiment, the gaming devices could be computer terminals, e.g. PCs running software that provides a player interface operable using standard computer input and output components .

Servers are also typically provided to assist in the administration of the gaming system 200, including for example a gaming floor management server 208 and a licensing server 209 to monitor the use of licenses relating to particular games . An administrator terminal 210 is provided to allow an administrator to monitor the network 201 and the devices connected to the network.

The gaming system 200 may communicate with other gaming systems, other local networks such as a corporate network, and/or a wide area network such as the Internet, for example through a firewall 211.

A loyalty program server 212 may also be provided.

Persons skilled in the art will appreciate that in accordance with known techniques, functionality at the server side of the network may be distributed over a plurality of different computers. For example, elements may be run as a single engine on one server or a separate server may be provided. For example, the game server 205 could run a random number generator engine. Alternatively, a separate random number generator server could be provided.

Examples of specific implementations of the gaming system will now be described in relation to a stand alone gaming machine 10, 40, 100 although it will be understood that implementation may also be carried out using other gaming

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2019216703 16 Aug 2019 system architectures such as a network architecture of the type shown in Figure 6.

In this example, the gaming system is operable in normal game mode and special game mode and the gaming system comprises five reels, each of which has an associated set of symbols .

During normal game mode, the reels comprise standard symbols and optionally one or more function symbols and win outcomes are determined on the basis of the symbols visible at the display positions when the reels stop rotating .

Typically, a player will purchase or otherwise obtain win entitlements such as several win lines which are used in the game to determine win outcomes. If the displayed symbols on the reels have symbols associated with a winning combination such as disposed on a win line, the player wins a prize.

During special game mode, the gaming system selects a combination of symbols which correspond to a possible winning outcome and displays the selected symbol combination on the display 44. The symbol combination may be predefined, randomly selected from all available win outcome combinations, or may be selected by a player from all available win outcome combinations or from some of the available win outcome combinations. The gaming system also randomly selects a win line from available win lines, and if the displayed symbol combination coincides with the selected win line, the player wins a prize.

The gaming system may be arranged to commence special game 35 mode when a predetermined game outcome occurs, and special game mode may comprise one or more free games. Special game mode may commence automatically on the basis of a

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2019216703 16 Aug 2019 game event occurring during a game such as display of a particular symbol, based on game outcomes determined by the gaming system, or may be prompted by a player pressing a button on the gaming system 10, 40, 100 after the player has identified that a game outcome corresponding to special game mode requirements has occurred.

The gaming system 10, 40, 100 may also be arranged so as to determine eligibility for special game mode, for example based on the amount or type of bet placed, based on certain time periods and so on.

Special game mode may also be arranged to commence when a special game is purchased by a player.

A specific example will now be described in relation to flow diagram 250 shown in Figure 7 which illustrates steps 252 to 264 of a method of gaming implemented by the gaming system according to the present embodiment.

In this example, five virtual reels are provided and, as such, representations of the reels are displayed on a graphical display device 44.

During normal game mode, the reels are spun 254 and subsequently stopped to display a symbol at each display position. If a trigger condition does not exist 256 to cause commencement of special game mode, the outcome evaluator 28 determines whether the symbols displayed at the display positions correspond to a winning outcome 262 by reference to the win lines 15 available for the game.

If a trigger condition exists 256, special game mode commences and a win symbol combination 300 is selected and 35 displayed 258 on the display 44, as shown in Figure 8a.

The win symbol combination 300 selected in this example

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2019216703 16 Aug 2019 comprises 4 King symbols and corresponds to a particular win line 302.

In this example, only the selected symbol combination is displayed with other display positions being blank, although it will be understood that other arrangements are possible. For example, all display positions may be populated, with the display positions including at least one symbol combination which corresponds to a winning outcome when the symbol combination coincides with a win line .

It will be appreciated that multiple win symbol combinations may be selected and displayed, and symbol 15 combinations including any number of symbols may be selected. For example, a symbol combination including 3 symbols in 3 respective adjacently disposed reels may be selected in a gaming system which includes 5 reels. As a consequence, it is possible to achieve a winning outcome 20 with more than one win line because more than one win line may coincide with the displayed symbol combination.

Alternatively, a symbol combination including 5 symbols in 5 respective adjacently disposed reels may be selected in a gaming system which includes 5 reels. As a consequence, 25 with this embodiment it is possible to achieve a winning outcome with only one win line because only one win line will coincide with the displayed symbol combination. The symbol combinations and/or the number of symbols in a symbol combination may be selectable by a player, or may 30 be randomly selected by the gaming system.

Example alternative symbol combinations 310, 312, 314, 316 are shown in Figures 9a to 9d.

The display 44 also includes win line indicators 304 having a win line identifier 306 for each win line. By highlighting a win line identifier 306, an indication can

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2019216703 16 Aug 2019 be provided to a player as to the win line which has been selected. In the example shown in Figure 8a it will be appreciated that 9 win lines are available for selection. However, since no win line has yet been selected, all win 5 line identifiers 306 are shown with a shaded background.

The line selector 25 randomly selects a win line 304 from the available win lines 15 and optionally displays the selected win line 304 over the displayed symbol combination, as shown in Figure 8b. In the present example, the selected win line 304 corresponds to win line 5 and accordingly the win line identifier 306 corresponding to win line 5 is highlighted relative to the other win lines.

Prior to selection of a win line, the win line identifiers may be highlighted in a particular pattern, such as sequentially from top to bottom, so as to provide the player with an indication that selection of a win line is in progress .

In an alternative embodiment, multiple win lines may be selected from the available win lines in order to increase the likelihood of the player obtaining a winning outcome.

The selection of additional win lines may be purchased by a player.

The gaming system compares the or each selected win line

304 with the displayed symbol combination 300 and if the selected symbol combination coincides with the selected win line 304 an award is provided to the player, for example in the form of a monetary prize.

In the present example, the displayed symbol combination

300 coincides with the selected win line 304 and a prize is therefore awarded to the player.

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While the above example is described in relation to a gaming system which implements a game including normal game mode and special game mode, alternatives are possible. For example, the gaming system may be arranged to implement a game according to the above described special game mode only, or the gaming system may be arranged to implement other types of games which include a game according to the above described special game mode as a component.

In the claims of this application and in the description of the invention, except where the context requires otherwise due to express language or necessary implication, the words comprise or variations such as comprises or comprising are used in an inclusive sense, i.e. to specify the presence of the stated features but not to preclude the presence or addition of further features in various embodiments of the invention.

It is to be understood that, if any prior art publication is referred to herein, such reference does not constitute an admission that the publication forms a part of the common general knowledge in the art, in Australia or any other country.

Modifications and variations as would be apparent to a skilled addressee are deemed to be within the scope of the present invention.

Claims

Claims :

1. A gaming system comprising:

a symbol selector arranged to select a plurality of

5 symbols for display at a plurality of display positions, the selected symbols including at least one predefined symbol combination;

a win line selector arranged to automatically and randomly select at least one win line from a plurality of 10 available win lines in response to the plurality of symbols being selected for display; and an outcome evaluator arranged to determine that a winning outcome exists in response to the predefined symbol combination coinciding with and being displayed on 15 the selected win line.
2. A gaming system as claimed in claim 1, wherein the selected win line includes a first number of associated symbol positions and the predefined symbol combination

20 includes a second number of symbols, the second number being equal to the first number.
3. A gaming system as claimed in claim 1, wherein the selected win line includes a first number of associated

25 symbol positions and the predefined symbol combination includes a second number of symbols, the second number being less than the first number.
4. A gaming system as claimed in any one of claims 1 to

30 3, wherein the predefined symbol combination is selectable from a plurality of possible winning symbol combinations.
5. A gaming system as claimed in claim 4, wherein the symbol selector is arranged to facilitate selection of a

35 predefined symbol combination by a player.

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2019216703 16 Aug 2019
6. A gaming system as claimed in claim 4 or claim 5, wherein the symbol selector is arranged to facilitate selection by a player of the number of symbols in the predefined symbol combination.
7. A gaming system as claimed in claim 4, wherein the symbol selector is arranged to automatically select a predefined symbol combination.

10
8. A gaming system as claimed in claim 7, wherein the predefined symbol combination is randomly selected.
9. A gaming system as claimed in any one of the preceding claims, wherein the symbol selector is arranged

15 to select a plurality of predefined symbol combinations.
10. A gaming system as claimed in any one of the preceding claims, wherein the win line selector is arranged to select a plurality of win lines.
11. A gaming system as claimed in any one of the preceding claims, wherein the gaming system is arranged to operate in normal game mode and special game mode, and the win line selector is arranged to automatically select at 25 least one win line from a plurality of available win lines, and the outcome evaluator is arranged to determine that a winning outcome exists when the predefined symbol combination coincides with a selected win line only when the gaming system operates during special game mode.
12. A gaming system as claimed in claim 11, wherein the gaming system is arranged to commence special game mode when a predetermined game outcome occurs, on the basis of a game event occurring during a game such as display of a

35 particular symbol, in response to player input, based on the amount or type of bet placed, or when a special game is purchased by a player.

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13. A gaming system as claimed in any one of the preceding claims, wherein the gaming system is arranged such that only symbols forming part of the predefined

5 symbol combination are displayed.
14. A gaming system as claimed in any one of the preceding claims, wherein the gaming system comprises a gaming machine .
15. A gaming system as claimed in any one of claims 1 to

14, comprising a gaming terminal and a gaming server in networked communication with the gaming server.

15
16. A method of gaming comprising:

selecting a plurality of symbols for display at a plurality of display positions, the selected symbols including at least one predefined symbol combination;

automatically and randomly selecting at least one win 20 line from a plurality of available win lines in response to the plurality of symbols being selected for display; and determining that a winning outcome exists in response to the predefined symbol combination coinciding with and 25 being displayed on the selected win line.
17. A method as claimed in claim 16, wherein the selected win line includes a first number of associated symbol positions and the predefined symbol combination includes a

30 second number of symbols, the second number being equal to the first number.
18. A method as claimed in claim 16, wherein the selected win line includes a first number of associated symbol

35 positions and the predefined symbol combination includes a second number of symbols, the second number being less than the first number.

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2019216703 16 Aug 2019
19. A method as claimed in any one of claims 16 to 18, comprising selecting the predefined symbol combination from a plurality of possible winning symbol combinations.
20. A method as claimed in claim 19, comprising receiving selection of a predefined symbol combination by a player.
21. A method as claimed in claim 19 or claim 20,

10 comprising receiving selection by a player of the number of symbols in the predefined symbol combination.
22. A method as claimed in claim 19, comprising automatically selecting a predefined symbol combination.
23. A method as claimed in claim 22, comprising randomly selecting a predefined symbol combination.
24. A method as claimed in any one of claims 16 to 23,

20 comprising selecting a plurality of predefined symbol combinations .
25. A method as claimed in any one of claims 16 to 24, comprising selecting a plurality of win lines.
26. A method as claimed in any one of claims 16 to 25, comprising :

providing normal game mode and special game mode; and automatically selecting at least one win line from a 30 plurality of available win lines, and determining that a winning outcome exists when the predefined symbol combination coincides with a selected win line only when the method operates during special game mode.

35
27. A method as claimed in claim 26, comprising commencing special game mode when a predetermined game outcome occurs, on the basis of a game event occurring

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2019216703 16 Aug 2019 during a game such as display of a particular symbol, in response to player input, based on the amount or type of bet placed, or when a special game is purchased by a player .
28. A method as claimed in any one of claims 16 to 27, comprising displaying only symbols forming part of the predefined symbol combination.

10
29. A method as claimed in any one of claims 16 to 27, comprising implementing the method of gaming using a gaming machine .
30. A method as claimed in any one of claims 16 to 27,

15 comprising implementing the method of gaming using a gaming terminal and a gaming server.
31. A computer program arranged when loaded into a computer to instruct the computer to operate in accordance

20 with a gaming system as claimed in any one of claims 1 to

15.
32. A computer readable medium having computer readable program code embodied therein for causing a computer to

25 operate in accordance with a gaming system as claimed in any one of claims 1 to 15.
33. A data signal having computer readable program code embodied therein for causing a computer to operate in

30 accordance with a gaming system as claimed in any one of claims 1 to 15.