A portion of the disclosure of this patent document contains or may contain material which is subject to copyright protection. The copyright owner has no objection to the photocopy reproduction by anyone of the patent document or the patent disclosure in exactly the form it appears in the Patent and Trademark Office patent file or records, but otherwise reserves all copyright rights whatsoever.
Many existing gaming machines, such as traditional slot machines, include bonus games. Typically, a bonus game begins when the player reaches a bonus triggering event in the primary game of the gaming device. In slot machines with reels, the triggering event usually occurs when the player reaches a predetermined combination of symbols on the reels. Usually the bonus scheme provides the player with an opportunity to gain bonus value before the bonus round terminates.
In existing bonus schemes with symbol generators such as reels, the bonus game terminates after the player receives a predetermined number of opportunities to gain a bonus award or after the player accumulates a predetermined bonus award amount. The gaming device then returns the player to the primary game.
To increase player enjoyment and excitement, it is desirable to provide players with new games for gaming devices.
The present invention relates generally to a reel game and specifically to a bonus game which includes a bonus outcome determined by or modified by competing positive and negative outcome events.
In one embodiment, the bonus game is triggered when at least one positive modifier symbol and at least one award symbol are indicated on designated or specific reels in the base or primary game. In another embodiment, the bonus game is triggered when at least one positive modifier symbol, at least one award symbol, and at least one negative modifier symbol are generated or indicated on the reels.
In one embodiment, once the bonus game is initiated, the award symbol or symbols indicated on the reels reveal a bonus outcome such as a bonus award to the player. The bonus outcome or bonus award may be randomly determined, predetermined or determined based on a wager made by the player in the game. The bonus outcome or bonus award displayed to the player is modified by the positive and negative modifier symbols as described below. Therefore, the gaming device in the present invention provides increased excitement and enjoyment for a player because the player does not know what the final bonus award or bonus outcome will be until the game ends.
In one embodiment, the positive and negative modifier symbols each generate at least one positive and negative modifier which modify the bonus award associated with the award symbol. In another embodiment, a plurality of positive and negative modifiers are generated by each of the positive and negative modifier symbols indicated on the reels and modify the bonus award associated with the award symbol. In a further embodiment, the negative modifier symbol generates at least one negative modifier which modifies the bonus award before any of the positive modifier symbols generate positive modifiers to modify the bonus award. It should be appreciated that the positive and negative modifiers may be generated and modify the bonus award in any suitable order or sequence desired by the game implementer.
In one embodiment, the negative modifier symbol generates negative modifiers that modify the bonus award in the bonus game. The negative modifiers may be negative values, negative percentages or any suitable negative value or modifier which reduces the bonus outcome or bonus award associated with the award symbol. In one embodiment, one or more negative modifier symbols are indicated on the reels. Each of the negative modifier symbols generates one or more negative modifiers that modify the bonus award associated with the award symbol. The negative modifiers may be randomly determined, predetermined, determined based on a wager made by the player or determined according to any suitable determination method.
Once all of the negative modifiers modify the bonus award associated with the award symbol, the positive modifier symbol or symbols on the reels each generate at least one positive modifier which modifies the bonus outcome or bonus award associated with the award symbol. The positive modifiers may be positive values, positive multipliers, positive percentages or any suitable positive modifier. The positive modifiers are generated and modify the bonus outcome or bonus award to increase the bonus outcome or bonus award in the bonus game. Once all of the positive modifiers modify the bonus outcome or bonus award, the game ends and the final modified bonus award is provided to the player in the bonus game.
In another embodiment, the reels include a plurality of positive modifier symbols and a plurality of negative modifier symbols. In this embodiment, the gaming device causes all of the positive modifier symbols to generate at least one positive modifier and apply the positive modifiers to the bonus award or outcome. The gaming device then causes the negative modifier symbols to each generate and apply at least one negative modifier to the bonus award. In a further embodiment, all of the negative modifiers generated by the negative modifier symbols are applied to the bonus award first, and then all of the positive modifiers are generated and applied to the bonus award. In another embodiment, the positive and negative modifiers are alternately generated and applied to the bonus award. The positive and negative modifiers may be generated and applied in any suitable order or sequence.
In a further embodiment, the reels include a plurality of award symbols and at least one positive modifier symbol and at least one negative modifier symbol. In one embodiment, all of the positive modifiers are generated and applied to each of the bonus awards associated with each of the award symbols before the negative modifiers are generated and applied to the bonus awards. In another embodiment, all of the negative modifiers are generated and applied to each of the bonus awards before the positive modifiers are generated and applied to the bonus awards. In a further embodiment, all of the positive and negative modifier symbols alternately generate and apply positive and negative modifiers to each of the bonus awards. It should be appreciated that the positive and negative modifiers may be generated and applied to each of the bonus awards in any suitable order or sequence.
In a further embodiment, a designated number of positive modifiers are associated with each of the positive modifier symbols occurring on the reels and a designated number of negative modifiers are associated with each of the negative modifier symbols occurring on the reels. The designated number of positive and negative modifiers associated with each of the positive and negative modifier symbols may be randomly determined, pre-determined or determined according to any suitable determination method. Additionally, the values or amounts of each of the positive and negative modifiers may be randomly determined, pre-determined or determined according to any suitable determination method.
In one embodiment, a probability of being selected or determined is associated with each of the positive and negative modifiers generated by the positive and negative modifier symbols. The gaming device selects each of the positive and negative modifiers generated by the positive and negative modifier symbols based on the probabilities. In one embodiment, the positive modifiers include one relatively large positive modifier and a plurality of relatively small positive modifiers. In this embodiment, the probabilities associated with the relatively large positive modifier is less than the probabilities associated with at least one of the relatively small positive modifiers. Similarly, the negative modifiers include one relatively large negative modifier and a plurality of relatively small negative modifiers. In this embodiment, the probability associated with the relatively large negative modifier is less than at least one of the probabilities associated with the relatively small negative modifiers. Any suitable probability or probabilities may be associated with the positive and negative modifiers in the game.
It is therefore an advantage of the present invention to provide a gaming device including at least one positive modifier and at least one negative modifier which modify an award provided to a player.
Another advantage of the present invention is to provide a gaming device including a plurality of positive modifiers, a plurality of negative modifiers and at least one award where the each of the positive modifiers and each of the negative modifiers modify each of the awards.
Other objects, features and advantages of the invention will be apparent from the following detailed disclosure, taken in conjunction with the accompanying sheets of drawings, wherein like numerals refer to like parts, elements, components, steps and processes.
Referring now to the drawings, two alternative embodiments of the gaming device of the present invention are illustrated in
In one embodiment, as illustrated in
In one embodiment, as illustrated in
In one embodiment, part or all of the program code and/or operating data described above can be stored in a detachable or removable memory device, including, but not limited to, a suitable cartridge, disk or CD ROM. A player can use such a removable memory device in a desktop, a laptop personal computer, a personal digital assistant (PDA) or other computerized platform. The processor and memory device may be collectively referred to herein as a “computer” or “controller.”
In one embodiment, as discussed in more detail below, the gaming device randomly generates awards and/or other game outcomes based on probability data. That is, each award or other game outcome is associated with a probability and the gaming device generates the award or other game outcome to be provided to the player based on the associated probabilities. In this embodiment, since the gaming device generates outcomes randomly or based upon a probability calculation, there is no certainty that the gaming device will ever provide the player with any specific award or other game outcome.
In another embodiment, as discussed in more detail below, the gaming device employs a predetermined or finite set or pool of awards or other game outcomes. In this embodiment, as each award or other game outcome is provided to the player, the gaming device removes the provided award or other game outcome from the predetermined set or pool. Once removed from the set or pool, the specific provided award or other game outcome cannot be provided to the player again. This type of gaming device provides players with all of the available awards or other game outcomes over the course of the play cycle and guarantees the amount of actual wins and losses.
In one embodiment, as illustrated in
The display devices may include, without limitation, a monitor, a television display, a plasma display, a liquid crystal display (LCD) a display based on light emitting diodes (LED) or any other suitable electronic device or display mechanism. In one embodiment, as described in more detail below, the display device includes a touch-screen with an associated touch-screen controller. The display devices may be of any suitable configuration, such as a square, rectangle, elongated rectangle.
The display devices of the gaming device are configured to display at least one and preferably a plurality of game or other suitable images, symbols and indicia such as any visual representation or exhibition of the movement of objects such as mechanical, virtual or video reels and wheels, dynamic lighting, video images, images of people, characters, places, things and faces of cards, tournament advertisements and the like.
In one alternative embodiment, the symbols, images and indicia displayed on or of the display device may be in mechanical form. That is, the display device may include any electromechanical device, such as one or more mechanical objects, such as one or more rotatable wheels, reels or dice, configured to display at least one and preferably a plurality of game or other suitable images, symbols or indicia.
As illustrated in
As seen in
In one embodiment, as shown in
In one embodiment, one input device is a cash out button 38. The player may push the cash out button and cash out to receive a cash payment or other suitable form of payment corresponding to the number of remaining credits. In one embodiment, when the player cashes out, the player receives the coins or tokens in a coin payout tray 40. In one embodiment, when the player cashes out, the player may receive other payout mechanisms such as tickets or credit slips redeemable by a cashier or funding to the player's electronically recordable identification card.
In one embodiment, as mentioned above and seen in
The gaming device may further include a plurality of communication ports for enabling communication of the processor with external peripherals, such as external video sources, expansion buses, game or other displays, an SCSI port or a key pad.
In one embodiment, as seen in
In one embodiment, the gaming machine may include a player or other sensor, such as a camera in communication with the processor (and possibly controlled by the processor) that is selectively positioned to acquire an image of a player actively using the gaming device and/or the surrounding area of the gaming device. In one embodiment, the camera may be configured to selectively acquire still or moving (e.g., video) images and may be configured to acquire the images in either an analog, digital or other suitable format. The display devices may be configured to display the image acquired by the camera as well as display the visible manifestation of the game in split screen or picture-in-picture fashion. For example, the camera may acquire an image of the player and that image can be incorporated into the primary and/or secondary game as a game image, symbol or indicia.
In one embodiment, in addition to winning credits in a base or primary game, the gaming device may also give players the opportunity to win credits in a bonus or secondary game or bonus or secondary round. The bonus or secondary game enables the player to obtain a prize or payout in addition to the prize or payout, if any, obtained from the base or primary game. In general, a bonus or secondary game produces a significantly higher level of player excitement than the base or primary game because it provides a greater expectation of winning than the base or primary game and is accompanied with more attractive or unusual features than the base or primary game.
In one embodiment, the bonus or secondary game may be any type of suitable game, either similar to or completely different from the base or primary game. In one embodiment, the gaming device includes a program which will automatically begin a bonus round when the player has achieved a triggering event or qualifying condition in the base or primary game. In one embodiment, the triggering event or qualifying condition may be a selected outcome in the primary game or a particular arrangement of one or more indicia on a display device in the primary game, such as the number seven appearing on three adjacent reels along a payline in the primary slot game embodiment seen in
In one embodiment, once a player has qualified for a bonus game, the player may subsequently enhance his/her bonus game participation through continued play on the base or primary game. Thus, for each bonus qualifying event, such as a bonus symbol, that the player obtains, a given number of bonus game wagering points or credits may be accumulated in a “bonus meter” programmed to accrue the bonus wagering credits or entries toward eventual participation in a bonus game. The occurrence of multiple such bonus qualifying events in the primary game may result in an arithmetic or geometric increase in the number of bonus wagering credits awarded. In one embodiment, extra bonus wagering credits may be redeemed during the bonus game to extend play of the bonus game.
In one embodiment, no separate entry fee or buy in for a bonus game need be employed. That is, a player may not purchase an entry into a bonus game; he must win or earn entry through play of the primary game and, thus, play of the primary game is encouraged. In another embodiment, qualification of the bonus or secondary game could be accomplished through a simple “buy in” by the player if, for example, the player has been unsuccessful at qualifying through other specified activities.
In one embodiment, as illustrated in
In one embodiment, the game outcome provided to the player is determined by a central server or controller and provided to the player at the gaming device of the present invention. In this embodiment, each of a plurality of such gaming devices are in communication with the central server or controller. Upon a player initiating game play at one of the gaming devices, the initiated gaming device communicates a game outcome request to the central server or controller.
In one embodiment, the central server or controller receives the game outcome request and randomly generates a game outcome for the primary game based on probability data. In another embodiment, the central server or controller randomly generates a game outcome for the secondary game based on probability data. In another embodiment, the central server or controller randomly generates a game outcome for both the primary game and the secondary game based on probability data. In this embodiment, the central server or controller is capable of storing and utilizing program code or other data similar to the processor and memory device of the gaming device.
In an alternative embodiment, the central server or controller maintains one or more predetermined pools or sets of predetermined game outcomes. In this embodiment, the central server or controller receives the game outcome request and independently selects a predetermined game outcome from a set or pool of game outcomes. The central server or controller flags or marks the selected game outcome as used. Once a game outcome is flagged as used, it is prevented from further selection from the set or pool and cannot be selected by the central controller or server upon another wager. The provided game outcome can include a primary game outcome, a secondary game outcome, primary and secondary game outcomes, or a series of game outcomes such a free games.
The central server or controller communicates the generated or selected game outcome to the initiated gaming device. The gaming device receives the generated or selected game outcome and provides the game outcome to the player. In an alternative embodiment, how the generated or selected game outcome is to be presented or displayed to the player, such as a reel symbol combination of a slot machine or a hand of cards dealt in a card game, is also determined by the central server or controller and communicated to the initiated gaming device to be presented or displayed to the player. Central production or control can assist a gaming establishment or other entity in maintaining appropriate records, controlling gaming, reducing and preventing cheating or electronic or other errors, reducing or eliminating win-loss volatility and the like.
In another embodiment, one or more of the gaming devices of the present invention are in communication with a central server or controller for monitoring purposes only. That is, each individual gaming device randomly generates the game outcomes to be provided to the player and the central server or controller monitors the activities and events occurring on the plurality of gaming devices. In one embodiment, the gaming network includes a real-time or on-line accounting and gaming information system operably coupled to the central server or controller. The accounting and gaming information system of this embodiment includes a player database for storing player profiles, a player tracking module for tracking players and a credit system for providing automated casino transactions.
A plurality of the gaming devices of the present invention are capable of being connected together through a data network. In one embodiment, the data network is a local area network (LAN), in which one or more of the gaming devices are substantially proximate to each other and an on-site central server or controller as in, for example, a gaming establishment or a portion of a gaming establishment. In another embodiment, the data network is a wide area network (WAN) in which one or more of the gaming devices are in communication with at least one off-site central server or controller. In this embodiment, the plurality of gaming devices may be located in a different part of the gaming establishment or within a different gaming establishment than the off-site central server or controller. Thus, the WAN may include an off-site central server or controller and an off-site gaming device located within gaming establishments in the same geographic area, such as a city or state. The WAN gaming system of the present invention may be substantially identical to the LAN gaming system described above, although the number of gaming devices in each system may vary relative to each other.
In another embodiment, the data network is an internet or intranet. In this embodiment, the operation of the gaming device can be viewed at the gaming device with at least one internet browser. In this embodiment, operation of the gaming device and accumulation of credits may be accomplished with only a connection to the central server or controller (the internet/intranet server) through a conventional phone or other data transmission line, digital signal line (DSL), T-1 line, coaxial cable, fiber optic cable, or other suitable connection. In this embodiment, players may access an Internet game page from any location where an internet connection and computer, or other internet facilitator are available. The expansion in the number of computers and number and speed of internet connections in recent years increases opportunities for players to play from an ever-increasing number of remote sites. It should be appreciated that enhanced bandwidth of digital wireless communications may render such technology suitable for some or all communications according to the present invention, particularly if such communications are encrypted. Higher data transmission speeds may be useful for enhancing the sophistication and response of the display and interaction with the player.
In another embodiment, a plurality of gaming devices at one or more gaming sites may be networked to a central server in a progressive configuration, as known in the art, wherein a portion of each wager to initiate a base or primary game may be allocated to bonus or secondary event awards. In one embodiment, a host site computer is coupled to a plurality of the central servers at a variety of mutually remote gaming sites for providing a multi-site linked progressive automated gaming system. In one embodiment, a host site computer may serve gaming devices distributed throughout a number of properties at different geographical locations including, for example, different locations within a city or different cities within a state.
In one embodiment, the host site computer is maintained for the overall operation and control of the system. In this embodiment, a host site computer oversees the entire progressive gaming system and is the master for computing all progressive jackpots. All participating gaming sites report to, and receive information from, the host site computer. Each central server computer is responsible for all data communication between the gaming device hardware and software and the host site computer.
The present invention is directed to a gaming device having a game such as a bonus game, including a plurality of reels having positive and negative modifier symbols which modify a bonus award provided to the player in the bonus game.
Referring now to
In one embodiment, the positive modifier symbol or angel symbol 102 is only included on the first reel or 54a. Reel 54a may include one or more angel symbols 102 in a game. Similarly, the devil symbol 104 is only included on the fifth reel or reel 54e. Reel 54e includes one or more devil symbols, which negatively modify or decrease the bonus award associated with the target symbol 106. It should be appreciated that one or more positive modifier symbols and one or more negative modifier symbols may be included on one reel, a plurality of reels or all of the reels 54.
In one embodiment, the target symbol 106 is represented by a target that includes the phrase “target bonus” as shown in
In one embodiment, the bonus game is triggered in a base game when at least one angel symbol 102 and at least one target symbol 106 are indicated on reels 54a and 54c, respectively. In another embodiment, the bonus game is triggered from the base game when at least one angel symbol 102, at least one target symbol 106 and at least one devil symbol 104 are indicated on reels 54a, 54c and 54e, respectively. It should be appreciated that any suitable combination including at least one angel symbol 102 and at least one target symbol 106 may be employed in a game to trigger the secondary or bonus game from the primary or base game.
When an angel symbol 102 and a target symbol 106 are indicated on reels 54a and 54c, the bonus game is triggered. A gaming device stops spinning the reels and blocks out or removes the symbols on the reels which are not an angel symbol 102, a target symbol 106 or a devil symbol 104. The gaming device then displays a message or instruction 105 which prompts the player to take some action in the bonus game to initiate the play of the bonus game. For example, in
In one embodiment, when the player touches or otherwise presses the target symbol 106 on the display device 16, 18, the gaming device causes the target symbol 106 to spin or rotate a few times and then indicate a bonus outcome such as a bonus award to the player. It should be appreciated that the bonus outcome or bonus award may be displayed to the player in any suitable method desired by the game implementer. It should also be appreciated that the bonus outcome or bonus award may be a number of credits, a number of free spins, a number of free games, a game element to be employed with a designated symbol combination indicated on the reels in the base game, a game element to be employed in a designated symbol combination indicated on the reels of the bonus game or any other suitable award or awards. In one embodiment, the gaming device causes the target symbol 106 to display a bonus award such as a value or number of credits.
After the bonus award is displayed to the player on target symbol 106, the gaming device causes the negative modifier symbol or devil symbol 104 to negatively modify the bonus award associated with the target symbol 106. Specifically, the devil symbol 104 generates negative modifiers such as negative values that reduce the bonus award associated with the target symbol 106. In one embodiment, each negative modifier symbol or devil symbol 104 indicated on reel 54E generates one negative modifier that reduces the bonus award associated with the target symbol 106. In another embodiment, each devil symbol 104 generates a plurality of negative modifiers which reduce the bonus award associated with the target symbol 106. It should be appreciated that each negative modifier symbol or devil symbol 104 may generate one or a plurality of negative modifiers that reduce the bonus award associated with the target symbol 106. In one embodiment, the negative modifiers generated by each devil symbol 104 indicated on reel 54E are represented by pitchforks which are thrown from the devil symbol 104 towards the target symbol 106. If the pitchfork hits the target symbol 106, the negative modifier associated with that pitchfork reduces the bonus award associated with the target symbol 106 by the value of the negative modifier. If the pitchfork misses the target symbol 106, the negative modifier associated with that pitchfork does not effect the bonus award associated with the target symbol 106. It should be appreciated that the negative modifier generated by the negative modifier symbol or devil symbol 104 may be represented by any suitable picture, character, image or any other suitable image or animated image desired by the game implementer. It should also be appreciated that the negative modifier generated by the devil symbol 104 may include at least one negative value, negative percentage, or any other suitable negative modifier or null modifier.
In one embodiment, the positive modifier symbol or angel symbol 102 generates positive modifiers which increase or enhance the bonus award associated with the target symbol 106. The positive modifiers may be positive values, positive multiplier, positive percentages or any other suitable positive modifier. In one embodiment, each positive modifier generated by the angel symbol 102 is represented by an arrow which is shot or thrown at the target symbol 106. Generally, the arrows thrown by the angels of a 102 do not miss the target symbol 106. It should be appreciated that the positive modifiers generated by the positive modifier symbol or angel symbol 102 may be any suitable picture, character, image or animated image or images.
In one embodiment, when one or more negative modifier symbols or devil symbols 104 are indicated on reel 54E, the negative modifier symbol or symbols modify the bonus award associated with the target symbol 106 before the angel symbols 102 modify the bonus award. This enables the game to end with positive values being added to the bonus award which increases the player's excitement and enjoyment level of the game. In another embodiment, when there are a plurality of devil symbols 104 and a plurality of angel symbols 102, the devil symbols and angel symbols alternately generate modifiers which effect the bonus award associated with the target symbol 106. It should be appreciated that any suitable order or sequence of negative modifiers and positive modifiers may be generated in a game to effect the bonus outcome or bonus award associated with the target symbol 106. The final bonus award displayed to the player after all of the negative modifiers and positive modifiers have been applied to that bonus award is the bonus award that is provided to the player for the bonus game. At this point, the bonus award is provided to the player and indicated in the total award display 108 and the game ends. The gaming device then resumes the play of the base or primary game of the gaming device.
Referring to
Referring to
Referring to
Referring to
In one embodiment, the negative modifier symbol or devil symbol 104 attempts to negatively modify or reduce the bonus award associated with target symbol 106 by generating a negative modifier and applying that modifier to the bonus award. As shown in
Referring to
Referring to
Referring to
Referring to
In another embodiment, the gaming device first causes each of the negative modifier symbols 104 to generate at least one negative modifier and applies the negative modifiers to the bonus award. The gaming device then causes each of the positive modifier symbols 102 to generate at least one positive modifier and applies the positive modifiers to the bonus award. In a further embodiment, the gaming device causes the positive and negative modifier symbols to alternately generate positive and negative modifiers and alternately applies the positive and negative modifiers to the bonus award. It should be appreciated that the positive and negative modifiers may be generated and applied to the bonus award associated with the award symbol simultaneously, sequentially or in any suitable order or sequence.
In one embodiment, the reels include a plurality of award symbols and at least one positive modifier symbol and at least one negative modifier symbol. In this embodiment, when two or more of the award symbols occur on the reels, the gaming device provides at least one bonus award associated with each of the award symbols to the player. In one embodiment, the gaming device first causes any positive modifier symbols that occur on the reels to generate at least one positive modifier and applies the positive modifier or modifiers to the bonus award. The gaming device then causes any negative modifier symbols occurring on the reels to generate at least one negative modifier and applies the negative modifier or modifiers to the bonus award. In another embodiment, all of the negative modifiers symbols generate and apply negative modifiers to the bonus award before the positive modifier symbols generate and apply any positive modifiers to the bonus award. In a further embodiment, all of the positive and negative modifier symbols generate and apply positive and negative modifiers to each of the bonus awards associated with each of the award symbols separately in a designated order or sequence.
In a further embodiment, a designated number of positive modifiers are associated with each of the positive modifier symbols occurring on the reels and a designated number of negative modifiers are associated with each of the negative modifier symbols occurring on the reels. In one aspect of this embodiment, the designated number of positive and negative modifiers associated with each of the positive and negative modifier symbols is randomly determined. In this aspect, the values or amounts of each of the positive and negative modifiers may be pre-determined, randomly determined or determined according to any suitable determination method. In another aspect of this embodiment, the designated number of positive and negative modifiers associated with each of the positive and negative modifier symbols is pre-determined, as described above, in this aspect, the values or amounts of each of the positive and negative modifiers may be pre-determined, randomly determined or determined according to any suitable determination method. It should be appreciated that any suitable number of positive and negative modifiers may be generated and applied to the bonus award associated with one or more award symbols.
In one embodiment, the positive and negative values associated with the positive modifier symbol 102 and the negative modifier symbol 104, respectively, are randomly determined and selected from a group or groups of positive modifiers and negative modifiers. In another embodiment, the positive and negative values associated with the positive modifiers and negative modifiers are predetermined. It should be appreciated that the values or amounts of the positive modifiers and the negative modifiers may be randomly determined, predetermined, determined based on a wager made by the player or determined according to any suitable determination method.
In another embodiment, a probability of being selected and generated by the positive modifier symbol or the negative modifier symbol is associated with each of the positive modifiers and negative modifiers. Therefore, some of the positive and/or negative modifiers are more likely to be applied to the bonus award in a game than other positive and negative modifiers. In one embodiment, the positive modifiers include at least one relatively large modifier and a plurality of relatively small modifiers. Similarly, the negative modifiers include one relatively large negative modifier and a plurality of relatively small negative modifiers. In this embodiment, the probabilities associated with the relatively large positive modifier and the relatively large negative modifier are less than the probabilities associated with the plurality of relatively small positive modifiers and relatively small negative modifiers. It should be appreciated that any suitable probability may be associated with the positive and negative modifiers in a game.
It should be appreciated that the present invention may be employed in a primary game, a secondary or bonus game, or any other suitable type of game.
It should be appreciated that when the independent reels as disclosed in U.S. Pat. No. 6,413,162 are employed in the present invention, the reels enable each position to have positive or negative incrementing or decrementing symbols as allowed on each of the reels to create more excitement. Additionally, multiple target symbols can occur, which each can provide multiple outcome events which can be positive or negative.
While the present invention is described in connection with what is presently considered to be the most practical and preferred embodiments, it should be appreciated that the invention is not limited to the disclosed embodiments, and is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the claims. Modifications and variations in the present invention may be made without departing from the novel aspects of the invention as defined in the claims, and this application is limited only by the scope of the claims.
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