GB2165385A - Entertainment machines - Google Patents

Entertainment machines Download PDF

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Publication number
GB2165385A
GB2165385A GB08425141A GB8425141A GB2165385A GB 2165385 A GB2165385 A GB 2165385A GB 08425141 A GB08425141 A GB 08425141A GB 8425141 A GB8425141 A GB 8425141A GB 2165385 A GB2165385 A GB 2165385A
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GB
United Kingdom
Prior art keywords
machine
features
games
game
forecast
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB08425141A
Other versions
GB8425141D0 (en
GB2165385B (en
Inventor
John Laurence Wain
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Barcrest Ltd
Original Assignee
Barcrest Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Barcrest Ltd filed Critical Barcrest Ltd
Priority to GB08425141A priority Critical patent/GB2165385B/en
Publication of GB8425141D0 publication Critical patent/GB8425141D0/en
Publication of GB2165385A publication Critical patent/GB2165385A/en
Application granted granted Critical
Publication of GB2165385B publication Critical patent/GB2165385B/en
Application status is Expired legal-status Critical

Links

Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F17/00Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/32Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports or amusements, e.g. casino games, online gambling or betting
    • G07F17/3244Payment aspects of a gaming system, e.g. payment schemes, setting payout ratio, bonus or consolation prizes
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F17/00Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/32Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports or amusements, e.g. casino games, online gambling or betting
    • G07F17/326Game play aspects of gaming systems
    • G07F17/3262Player actions which determine the course of the game, e.g. selecting a prize to be won, outcome to be achieved, game to be played
    • G07F17/3265Influencing the position of stopped moving members to achieve a winning arrangement, e.g. nudging, shuffling, holding

Abstract

A coin-operated entertainment machine, such as a fruit machine, can be used to play games involving the production of displayed combinations of symbols (1,2,3). Supplementary playing features are made available in some games, for example, fruit machine hold, nudge and gamble features. A forecast device, such as an illuminated display panel (15), is provided to indicate the availability of supplementary playing features in forthcoming games. <IMAGE>

Description

SPECIFICATION Entertainment machines This invention relates to coin- (or token-) operated entertainment machines and is particularly although not exclusively concerned with fruit machines.

It is common practice to provide a fruit machine with one or more supplementary game features (e.g. "nudge", "hold" and "gamble" features) which are made available to the player on a random basis at the end or start of a game.

These supplementary features enhance playing interest since they add variety and also provide an opportunity for the player to influence the outcome of the game.

An object of the present invention is to promote further the interest value of supplementary game features.

According to the invention therefore there is provided a coin- or token-operated entertainment machine operable to play games involving the production of displayed combinations of symbols, supplementary playing features of at least one kind being made available in at least some games, characterised in that the machine incorporates a forecast device arranged to indicate the availability of at least one kind of playing feature in at least one forthcoming game.

With this arrangement, considerable playing interest can be derived from the fact that the player is provided with prior knowledge of the availability of supplementary game features.

This has an anticipatory or encouraging effect and, as appropriate, the player can use the prior knowledge to devise a game-playing strategy.

Most preferably, the machine is a fruit machine. That is, the displayed combination of symbols is selected at random from say three or four sets of symbols (using rotatable reels, a vdu display simulating rotatable reels, an array of squares which can be selectively illuminated, or the like), and a win detecting device is provided to give a win indication in the even that the selected combination is of a predetermined winning nature.

In this context the said supplementary features may comprise one or more of: a "nudge" feature which enables the player to change the displayed symbol combination at the end of a game e.g. by stepwise movement of one or more reels; a "hold" feature which enables the player to hold one or more displayed symbols at the start of a game against change during the game; a "gamble" feature which enables the player to gamble an attained award following production of a winning combination in an attempt to increase the value of the award. The invention is not of course intended to be restricted to these features and any other suitable feature or combination of features may be provided. "Feature hold" (which permits holding of features (e.g.

consolation awards) selected on a supplementary selection device), and "autonudge" (as described in Patent Specification 2092797) are further possibilities.

The said forecast device may provide information on any suitable number of forthcoming games, say from one to five. Correspondingly, it will be appreciated that the machine is required to predetermine those features which will be made available in the same number of forthcoming games and, preferably, this is effected on a random basis. Although the availability of such features is predetermined it is to be understood that changes can be effected under the influence of the machine and /or under the influence of the player as appropriate. Thus, for example, on occasions (as selected on a predetermined or random basis) the forecast features may be changed or "scrambled" (in a predetermined or random manner).

The forecast information may be displayed to the player in any suitable manner. For example the machine may have a panel with an array of identified zones which are illuminated to indicate the availability of the features. Alternatively a vdu display may be used.

Preferably the arrangement is such that the forecast device only provides forecast information for those games for which coins (or tokens) of the appropriate value have already been credited by the machine. Thus, the arrangement may be such that, as games are played, the number of games for which forecast information is given, decreases in correspondence with reduction in credit.

The invention will now be described further by way of example only and with reference to the accompanying drawing which is a diagrammatic front view of one form of an entertainment machine according to the invention.

The machine shown in the drawing is a fruit machine having three reels 1, 2, 3 which are rotatable within a housing 4 behind a window 5 in a front panel 6.

Each reel 1, 2, 3 has pictures of fruit (designated A, B, C) at 20 positions around its periphery, and rotation of each reel is effected and also arrested by a microprocessor-controlled stepping motor, the arrangement being such that the reel always comes to rest in precise registration with the window. Each stopping position is identified by the microprocessor control circuitry in known manner.

In use, the machine is actuated by a player by insertion of one or more coins or tokens into a coin mechanism 7 and a starter button 8 is pressed to cause the three reels 1, 2, 3 to rotate for different random periods of time before coming to rest. When the reels 1, 2, 3 come to rest, their stopping positions are identified and a win indication is produced in the event that the identified stopping positions correspond to the display of a predetermined winning combination of fruit (say three fruit of the same kind) at predetermined positions in the window 5 (e.g. on a horizontal win line passing through the middle of three displayed fruit for each reel).

There is a respective player-operable button 9, 10, 11 for each reel beneath the window 5, for "hold" and "nudge" features. At the start of some games, as selected on a random basis, the buttons 9-11 are made available for hold operation and when so operated by the player the or each pertaining reel 1, 2, 3 is held against rotation during the course of the ensuing game. At the end of some games, as selected on a random basis, the buttons 9-11 are made available for nudge operation and when so operated by the player the or each pertaining reel 1-3 is indexed through a number of steps (i.e. stopping positions) as determined by the action taken by the player and within the limits of a total permitted number of nudge steps.Alternatively a player-initiated automatic nudge facility (which automatically nudges the reels through the optimum number of steps within the imposed limits) may be provided as described in Patent Specification 2092797.

Moreover, the machine has a translucent features panel 12 printed with feature squares 13. During play of some or all games the feature squares 13 are illuminated (by lamps within the housing behind the panel) on a random basis or in predetermined sequence and the outcome of the game may be modifed in correspondence with the information contained on the last illuminated square. In this way an attained win can be increased in value or a consolation award made or the like. A feature hold button 14 is provided and when made available at the start of a game this can be operated by the player to hold the illuminated feature square 13 (and to hold the corresponding feature function) against change during the ensuing game.

The machine further has a translucent forecast panel 15 printed with five horizontal rows 16-20 of squares (identified from top to bottom: This game, Next game, Third game, Fourth game, Fifth game). There are three squares in each row and these define collectively three vertical columns 21, 22, 23 identified respectively hold, feature hold and nudge.

In the case where the player has inserted sufficient coins (or tokens) into the machine to provide credit for one game only, the forecast panel 15 is actuated to display at the start of the game, only information relating to the availability of the hold, feature hold and nudge facilities for that game. That is, the appropriate square or squares are illuminated on the "this game" row (16) only.

In the case where the player has credit for more than one game, the appropriate number of rows of squares are illuminated to give forecast information. In correspondence with this it will be appreciated that the machine determines in advance for all credited games the game features which are to be made available. As the games are played, the forecast information is shifted upwardly, i.e. the pattern of illuminated squares on the "next game" row (17) moves up to the "this game" row (16) and so on. As this happens, the player has the opportunity of inserting further coins (or tokens) to increase his credit and thereby obtain forecast information for further forthcoming games.

On occasions, on a random basis, the displayed forecast information (and the corresponding feature functions) are changed or scrambled. This may involve random flashing of the lamps behind the squares of the panel 15 or interchange of illuminated squares in a predetermined pattern.

With the arrangement so far described the machine can play games, each such game comprising a main playing routine, in which a displayed combination is randomly selected with the rotatable reels 1-3, and (when made available) one or more supplementary playing routines involving operation of switches 9-11, 14 by the player before or after the main playing routine to influence the selection of the displayed combination (i.e. by "holding" or "nudging" one or more reels) and/or to influence the outcome of the game following production of the displayed combination (i.e.

by "holding" selected features indicated on the panel 12). The forecast panel 15 provides advance information of the availability of the supplementary playing routines and thereby gives increased player interest.

It is, however, to be understood that the invention is not intended to be restricted to the details of the above described embodiment. In particular, the forecast panel 15 is not restricted in application to supplementary game features of the kind involving playeroperable controls. Alternatively or additionally it is possible to use the forecast panel 15 in relation to supplementary games features which are automatically introduced and implemented.

Claims (8)

1. A coin- or token-operated entertainment machine operable to play games involving the production of displayed combinations of symbols, supplementary playing features of at least one kind being made available in at least some games, characterised in that the machine incorporates a forecast device arranged to indicate the availability of at least one kind of playing feature in at least one forthcoming game.
2. A machine according to claim 1, which is a fruit machine wherein the displayed combination of symbols is selected at random from sets thereof, and a win detecting device is provided to give a win indication in the event that the selected combination is of a predetermined winning nature.
3. A machine according to claim 2, wherein the said supplementary features comprise one or more of a nudge feature which enables the player to change the displayed symbol combination at the end of a game, a hold feature which enables the player to hold one or more displayed symbols at the start of a game against change during the game, a gamble feature which enables the player to gamble an attained award following production of a winning combination in an attempt to increase the valve of the award.
4. A machine according to any one of claims 1 to 3, wherein the forecast device is operable to provide information on a plurality of forthcoming games, rye machine being arranged, correspondingly, to predetermine those features which will be made available in the same number of forthcoming games.
5. A machine according to claim 4, wherein provision is made for changing the forecast features on occasions.
6. A machine according to any one of claims 1 to 5, wherein the machine has a panel with an array of identified-zones which are illuminated to indicate the availability of the forecast features.
7. A machine according to any one of claims 1 to 6, wherein the forecast device only provides forecast information for those games for which coins (or tokens) of the appropriate value have already been credited by the machine.
8. A machine according to claim 1, substantially as hereinbefore described with reference to and as illustrated in the accompanying drawings.
GB08425141A 1984-10-04 1984-10-04 Entertainment machines Expired GB2165385B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08425141A GB2165385B (en) 1984-10-04 1984-10-04 Entertainment machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08425141A GB2165385B (en) 1984-10-04 1984-10-04 Entertainment machines

Publications (3)

Publication Number Publication Date
GB8425141D0 GB8425141D0 (en) 1984-11-07
GB2165385A true GB2165385A (en) 1986-04-09
GB2165385B GB2165385B (en) 1987-12-31

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Cited By (49)

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US5046735A (en) * 1989-06-28 1991-09-10 Takasago Electric Industry Co., Ltd. Symbol assorting gaming machine
FR2721422A1 (en) * 1994-06-21 1995-12-22 Bally Gaming Int Inc Game machine and dynamic payment method.
US5542669A (en) * 1994-09-23 1996-08-06 Universal Distributing Of Nevada, Inc. Method and apparatus for randomly increasing the payback in a video gaming apparatus
US5630753A (en) * 1992-07-09 1997-05-20 Novo-Invest Casino Development Aktiengesellschaft Gaming machine
US5720662A (en) * 1996-05-01 1998-02-24 Holmes, Jr.; Verne F. Slot machine method
US5935005A (en) * 1994-09-05 1999-08-10 Pioneer Electronic Corporation Video game system
US6159097A (en) * 1999-06-30 2000-12-12 Wms Gaming Inc. Gaming machine with variable probability of obtaining bonus game payouts
US6159098A (en) * 1998-09-02 2000-12-12 Wms Gaming Inc. Dual-award bonus game for a gaming machine
US6190255B1 (en) 1998-03-24 2001-02-20 Wms Gaming Inc. Bonus game for a gaming machine
WO2001019475A1 (en) * 1999-09-13 2001-03-22 International Game Technology Bonusing apparatus and method for gaming system providing flexibility and interest
US6227971B1 (en) 1999-09-14 2001-05-08 Casino Data Systems Multi-line, multi-reel gaming device
US6234897B1 (en) 1997-04-23 2001-05-22 Wms Gaming Inc. Gaming device with variable bonus payout feature
US6315660B1 (en) 1998-03-24 2001-11-13 Wms Gaming Inc. Gaming machines with board game theme
US6358147B1 (en) 1999-06-23 2002-03-19 Wms Gaming Inc. Gaming machine with multiple payoff modes and award presentation schemes
US6443837B1 (en) 1999-05-26 2002-09-03 Wms Gaming Inc. Bonus games for gaming machines with strategy options
GB2379789A (en) * 2001-07-03 2003-03-19 Igt Uk Ltd Entertainment machine with supplementary feature concurrent with main game
US6547242B1 (en) * 2000-10-17 2003-04-15 Konami Gaming, Inc. Game of chance method and apparatus
GB2383668A (en) * 2001-11-13 2003-07-02 Jpm Internat Ltd Dual gaming machine
US6800027B2 (en) 2000-03-31 2004-10-05 Wms Gaming Inc. System and method for saving status of paused game of chance
US6855054B2 (en) * 2001-11-09 2005-02-15 Igt Gaming methods and apparatus using interchangeable symbols
AU2003248423B2 (en) * 2002-09-26 2006-03-09 Igt Gaming device with optimal auto-hold tables
US7357713B2 (en) 2001-11-06 2008-04-15 Igt Electronic game and method for playing a game based upon removal and replacing symbols in the game metrix
US7713122B2 (en) 2005-02-23 2010-05-11 Wms Gaming Inc. Wagering game with bonus game elements dictated by basic game
US7993196B2 (en) 2006-01-20 2011-08-09 Wms Gaming Inc. Wagering game with symbol strings dictating winning outcomes
US8096877B2 (en) 2007-11-07 2012-01-17 Igt Gaming system, gaming device and gaming method providing stacking symbols
US8152623B2 (en) 2004-06-18 2012-04-10 Wms Gaming Inc. Wagering game with two-way cascading reel
US8162741B2 (en) 2007-11-09 2012-04-24 Igt Gaming system, gaming device, and gaming method for transferring symbols between linked reels in multiple reel sets
US8308545B2 (en) 2007-11-09 2012-11-13 Wms Gaming Inc. Wagering game with enhanced player-selection bonus feature
US8419519B2 (en) 2006-05-04 2013-04-16 Wms Gaming Inc. Wagering game with symbols forming an altered array or secondary array
US20130217467A1 (en) * 2012-02-16 2013-08-22 Aruze Gaming America, Inc. Gaming machine and control method thereof
US8550895B2 (en) 2007-07-26 2013-10-08 Wms Gaming Inc. Wagering a potential future award for a greater award opportunity
US8556708B2 (en) 2005-01-14 2013-10-15 Wms Gaming Inc. Wagering game with player-determined symbol function
US8721422B2 (en) 2004-05-19 2014-05-13 Wms Gaming Inc. Wagering game with award enhancement feature
US8968083B2 (en) 2009-11-12 2015-03-03 Igt Gaming system and method for dynamically grouping gaming devices to provide progressive awards
US9004999B2 (en) 2002-02-13 2015-04-14 Aristocrat Technologies Australia Pty Ltd. Gaming machine with wagering features
US9640039B2 (en) 2013-09-17 2017-05-02 Igt Gaming system and method for providing a cascading symbol game with shifting symbols in different directions between multiple symbol display position matrices
US9747744B2 (en) 2007-11-09 2017-08-29 Igt Gaming system, gaming device, and gaming method for shifting symbols from a staging area to a symbol matrix
US9786116B2 (en) 2012-01-19 2017-10-10 Igt Gaming system and method for providing a symbol game
US9805542B2 (en) 2008-11-13 2017-10-31 Igt Gaming system, gaming device, and method for providing a cascading symbols game having magnetic symbols and target symbols
US9805555B2 (en) 2009-03-16 2017-10-31 Igt Gaming device and method providing slot game having virtual map driven reel stop position determinations
US9905073B2 (en) 2013-09-17 2018-02-27 Igt Gaming system and method for providing a cascading symbol game with shifting symbols between multiple symbol display position matrices
US9965925B2 (en) 2013-09-17 2018-05-08 Igt Gaming system and method for providing a cascading symbol game with symbol class eliminations
US9978221B2 (en) 2013-03-22 2018-05-22 Igt Gaming system and method for providing a multiple dimension symbol game with expanding wild symbols
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US10102709B2 (en) 2009-11-10 2018-10-16 Igt Gaming system, gaming device, and method for providing a cascading symbol game including shifting symbols according to directional indicators
US10147275B2 (en) 2001-08-17 2018-12-04 Igt Class of feature event games suitable for linking to multiple gaming machines
US10147281B2 (en) 2014-07-24 2018-12-04 Igt Gaming system and method having matching symbol stacks and additional award opportunities
US10217313B2 (en) 2013-09-17 2019-02-26 Igt Gaming system and method for providing a cascading symbol game with multiple symbol display position symbols
US10304279B2 (en) 2007-11-09 2019-05-28 Igt Gaming system, gaming device and gaming method providing stacking symbols and convertible reels

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US8430737B2 (en) 2011-07-21 2013-04-30 Igt Gaming system and method providing multi-dimensional symbol wagering game
US8485901B2 (en) 2011-07-21 2013-07-16 Igt Gaming system and method for providing a multi-dimensional symbol wagering game with rotating symbols
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US9251653B2 (en) 2012-02-22 2016-02-02 Igt Gaming system and method displaying one or more additional symbols of a group of designated symbols when less than all of the designated symbols of the group are displayed
US9214067B2 (en) 2012-09-06 2015-12-15 Igt Gaming system and method for providing a streaming symbols game
US8795053B2 (en) 2012-09-24 2014-08-05 Igt Gaming system and method providing one or more indications associated with a player-selected symbol combination for a play of a pachisuro-style slot game
US8888577B2 (en) 2013-01-28 2014-11-18 Igt Gaming system and method for providing optimal poker auto-hold functionality with progressive awards
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US9472065B2 (en) 2013-09-17 2016-10-18 Igt Gaming system and method for providing a cascading symbol game with interacting symbols
US9418518B2 (en) 2013-09-17 2016-08-16 Igt Gaming system and method for providing a cascading symbol game with interacting symbols

Cited By (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5046735A (en) * 1989-06-28 1991-09-10 Takasago Electric Industry Co., Ltd. Symbol assorting gaming machine
US5630753A (en) * 1992-07-09 1997-05-20 Novo-Invest Casino Development Aktiengesellschaft Gaming machine
FR2721422A1 (en) * 1994-06-21 1995-12-22 Bally Gaming Int Inc Game machine and dynamic payment method.
US5935005A (en) * 1994-09-05 1999-08-10 Pioneer Electronic Corporation Video game system
US5542669A (en) * 1994-09-23 1996-08-06 Universal Distributing Of Nevada, Inc. Method and apparatus for randomly increasing the payback in a video gaming apparatus
US5720662A (en) * 1996-05-01 1998-02-24 Holmes, Jr.; Verne F. Slot machine method
US6234897B1 (en) 1997-04-23 2001-05-22 Wms Gaming Inc. Gaming device with variable bonus payout feature
US7901283B2 (en) 1998-03-24 2011-03-08 Wms Gaming Inc. Bonus game for a gaming machine
US6645074B2 (en) 1998-03-24 2003-11-11 Wms Gaming Inc. Bonus game for a gaming machine
US7520809B2 (en) 1998-03-24 2009-04-21 Wms Gaming Inc. Bonus game for a gaming machine
US8480480B2 (en) 1998-03-24 2013-07-09 Wms Gaming Inc. Bonus game for a gaming machine
US7452271B2 (en) 1998-03-24 2008-11-18 Wms Gaming Inc. Gaming machines with board game theme
US6315660B1 (en) 1998-03-24 2001-11-13 Wms Gaming Inc. Gaming machines with board game theme
US6322309B1 (en) 1998-03-24 2001-11-27 Wms Gaming Inc. Bonus game for a gaming machine
US6905412B2 (en) * 1998-03-24 2005-06-14 Wms Gaming Inc. Bonus game for a gaming machine
US6190255B1 (en) 1998-03-24 2001-02-20 Wms Gaming Inc. Bonus game for a gaming machine
US6482089B2 (en) 1998-03-24 2002-11-19 Wms Gaming Inc. Gaming machines with board game theme
US6506117B2 (en) 1998-03-24 2003-01-14 Wms Gaming Inc. Gaming machines with board game theme
US6508707B2 (en) * 1998-03-24 2003-01-21 Wms Gaming Inc. Gaming machines with board game theme, apparatus and method
US6520855B2 (en) 1998-03-24 2003-02-18 Wms Gaming Inc. Gaming machines with board game theme
US7195560B2 (en) 1998-03-24 2007-03-27 Wms Gaming Inc. Gaming machines with board game theme
US6159098A (en) * 1998-09-02 2000-12-12 Wms Gaming Inc. Dual-award bonus game for a gaming machine
US6648757B1 (en) 1998-09-02 2003-11-18 Wms Gaming Inc. Dual-award bonus game for a gaming machine
US6443837B1 (en) 1999-05-26 2002-09-03 Wms Gaming Inc. Bonus games for gaming machines with strategy options
US6358147B1 (en) 1999-06-23 2002-03-19 Wms Gaming Inc. Gaming machine with multiple payoff modes and award presentation schemes
US6159097A (en) * 1999-06-30 2000-12-12 Wms Gaming Inc. Gaming machine with variable probability of obtaining bonus game payouts
WO2001019475A1 (en) * 1999-09-13 2001-03-22 International Game Technology Bonusing apparatus and method for gaming system providing flexibility and interest
US6645073B2 (en) 1999-09-13 2003-11-11 Igt Bonusing apparatus and method for gaming system providing flexibility and interest
US6227971B1 (en) 1999-09-14 2001-05-08 Casino Data Systems Multi-line, multi-reel gaming device
US6800027B2 (en) 2000-03-31 2004-10-05 Wms Gaming Inc. System and method for saving status of paused game of chance
US6547242B1 (en) * 2000-10-17 2003-04-15 Konami Gaming, Inc. Game of chance method and apparatus
GB2379789A (en) * 2001-07-03 2003-03-19 Igt Uk Ltd Entertainment machine with supplementary feature concurrent with main game
US10147275B2 (en) 2001-08-17 2018-12-04 Igt Class of feature event games suitable for linking to multiple gaming machines
US8083581B2 (en) 2001-11-06 2011-12-27 Igt Electronic game and method for playing a game based upon removal and replacing symbols in the game matrix
US7357713B2 (en) 2001-11-06 2008-04-15 Igt Electronic game and method for playing a game based upon removal and replacing symbols in the game metrix
US10115272B2 (en) 2001-11-06 2018-10-30 Igt Electronic game and method for playing a game based upon removal and replacing symbols in the game matrix
US9542808B2 (en) 2001-11-06 2017-01-10 Igt Electronic game and method for playing a game based upon removal and replacing symbols in the game matrix
US6855054B2 (en) * 2001-11-09 2005-02-15 Igt Gaming methods and apparatus using interchangeable symbols
GB2383668A (en) * 2001-11-13 2003-07-02 Jpm Internat Ltd Dual gaming machine
US9004999B2 (en) 2002-02-13 2015-04-14 Aristocrat Technologies Australia Pty Ltd. Gaming machine with wagering features
US7198569B2 (en) * 2002-09-26 2007-04-03 Igt Gaming device with optimal auto-hold tables
AU2003248423B2 (en) * 2002-09-26 2006-03-09 Igt Gaming device with optimal auto-hold tables
US8721422B2 (en) 2004-05-19 2014-05-13 Wms Gaming Inc. Wagering game with award enhancement feature
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GB2165385B (en) 1987-12-31

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