US20070123340A1 - Slot machine bonus initiated by plural qualifications - Google Patents
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- US20070123340A1 US20070123340A1 US11/668,563 US66856307A US2007123340A1 US 20070123340 A1 US20070123340 A1 US 20070123340A1 US 66856307 A US66856307 A US 66856307A US 2007123340 A1 US2007123340 A1 US 2007123340A1
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- 238000012797 qualification Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 35
- 238000010586 diagram Methods 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 241000252794 Sphinx Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- 239000010703 silicon Substances 0.000 description 1
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/32—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
- G07F17/326—Game play aspects of gaming systems
- G07F17/3267—Game outcomes which determine the course of the subsequent game, e.g. double or quits, free games, higher payouts, different new games
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/32—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
Definitions
- bonus games or games within a game.
- a typical bonus game provides a break from the traditional reel-spinning base-game portion of the wagering experience. Once in the bonus game, the player is treated to an experience in which no additional wager is required, and yet the player is generally assured of winning an award. Too, the bonus game typically “plays” quite differently than the base game.
- it may involve the player choosing from among several objects (WMS Filthy Rich, Atronic Sphinx, IGT Little Green Men, etc.), a game of strategy (Mikohn Yahtzee, Mikohn Battleship), spinning a physical wheel located in the top-box (Anchor Wheel of Gold, IGT Wheel of Fortune), dropping a ball through a Pachinko forest (Mikohn Boingo), or other possibilities (Anchor Pinball, Barcrest Run for the Money, etc.).
- a bonus game is generally initiated via a special combination of so-called trigger symbols within the base game. To date, initiation within the base game has been done in one of two ways: via line combination or scattered combination.
- a line consists of multiple symbols appearing on the same payline.
- the symbols may appear left-to-right, right-to-left, or anywhere on the line.
- An example of a line combination triggering the bonus game is that three trigger symbols may be required to appear left-to-right and adjacent starting with the leftmost reel. Once the three triggers are aligned in such a fashion on an active payline, the bonus game is initiated. An example is shown in FIG. 1 .
- a scattered combination is also called an “appearing anywhere” combination.
- three or more symbols appearing anywhere are utilized. An example of this is shown in FIG. 2 .
- the prior equipment does not deviate from the above in terms of qualifying the player to play a bonus game.
- Some games after the player has qualified, make use of the trigger symbols. For example, in IGT's Catch a Wave slot machine, aligning three trigger symbols in a scatter formation qualifies the player for the bonus. The bonus consists of allowing the player to select one of the trigger symbols, which in turn randomly reveals a numerical award. As another example, in WMS's Monopoly Money Grab, aligning three trigger symbols on an active payline qualifies the player for the bonus. The player is prompted to choose one of the trigger symbols, which in turn randomly reveals the type of bonus that will occur. The screen then changes, and the type of bonus chosen is played.
- a first difficulty is that, given the frequency of many bonus games (occurring perhaps every 80-120 spins on average), many players will suffer through long drought periods in between bonus games. Because a major goal of most players is to achieve the bonus game, a long period of wagering between bonus games serves to discourage the player. Too, since the typical base game is simply a “Wager and wait” affair, the player missing out on the bonus game is also missing out on player interaction and missing out leads to additional discouragement.
- the second difficulty is that it is desirable to have the player occasionally (with more trigger symbols) play a bonus game of more value.
- a bonus game in which the player qualified with 4 trigger symbols might be worth 3 times as much as a bonus game in which the player qualified with 3 trigger symbols, and so forth. Having the same bonus worth potentially different amounts (for example, depending on the number of initiating trigger symbols) helps hold a player's interest.
- the relative probability of the player entering the bonus game with 4 (or 5) triggers drops exponentially from that of 3 triggers.
- the method and apparatus described herein solves these problems by using a two step or two stage method of bonus qualification.
- the first step or first stage occurs at a much greater frequency than a one step or one stage bonus qualification. Therefore he does not suffer through the long period of wagers before potentially qualifying, and this keeps the players interest in the game high.
- the second stage provides the player with the opportunity to provide player input, and possibly enter into a bonus event.
- a game may be designed with a much higher payoff potential, for a given number of trigger symbols, than can be achieved in a one step or one stage bonus event.
- the instant method and apparatus utilizes a multi-stage method to qualify the player for a bonus game.
- two stages are used.
- the first comprises the player aligning a combination including at least one trigger symbol.
- the second utilizes the trigger symbols, or other secondary mathematical means, to qualify the player for the bonus game.
- the player interacts (that is, provides input to) the second stage of this method.
- FIG. 1 is a diagram of a slot machine wherein three trigger symbols appear on a payline.
- FIG. 2 is a diagram of a slot machine wherein three trigger symbols appear in a scatter pattern.
- FIG. 3 is a flow diagram of a multi-stage bonus event.
- FIG. 4 is a flow diagram of another multi-stage bonus event.
- the examples disclose how to use the instant two-stage method as a multiplier for frequency to get into the bonus game.
- the instant method and apparatus use at least a two-step or multi-stage method to qualify the player for a bonus game.
- two stages are used.
- the first stage comprises the player aligning a combination having at least one trigger symbol.
- the trigger symbols could, in principle, take a variety of forms thematic to the game in which they are used.
- the second stage utilizes an associated attribute of the trigger symbols, or other secondary mathematics, to qualify the player for the bonus game.
- the player interacts (that is, provides input to) the second stage of this method.
- the steps are numbered and are keyed to the corresponding figures.
- FIG. 3 there is an example 300 of qualifying a player for a bonus game using two steps or stages on a slot machine.
- the slot machine is configured with a base game with a bonus game.
- the player begins the game of chance by placing a wager 302 on the results of the random out come of the spin of the reels on the base game.
- the first stage of player qualification for the bonus game is the successfully aligning of one or more trigger symbols 304 in a predetermined arrangement on the reels of the base game.
- the second stage of the player qualification is initialed by displaying the trigger symbols 306 to the player.
- the player then progresses by selecting 308 one or more of the displayed trigger symbols 306 . Selecting a symbol causes it to display whether or not it is a qualifying symbol.
- Successful qualifying of the player for the bonus game is achieved when the player selects at least one trigger symbol 304 that is a qualifying trigger symbol 310 .
- the player is then awarded the Bonus Qualifying win credits 314 and proceeds to play the bonus round.
- no Bonus Qualifying win credits 314 need be awarded, and instead the player may proceed directly to a bonus game.
- awarded non-qualifier credits may be awarded 312 .
- the player is choosing from among the trigger symbols themselves. However, in principle, the player may choose from any of the symbols, with each symbol having associated with it either qualification or non-qualification for the bonus game.
- another example 400 is based on a Mikohn Gaming Corporation of Las Vegas, Nevada game, Clue® 2 game.
- a two-stage method wins play of a “Mystery Trivia Bonus” game begins with the player placing a wager 402 on the outcome of the random spinning of the reels in the base game.
- the trigger symbols 404 are preferably card backs that appear only on reels 2 and 4 of the base game.
- the player achieves the first stage if successful aligning a scatter-pay arrangement of trigger symbols on reels 2 and 4 of the base game 402 .
- the scatter-pay arrangement is then displayed at 406 to the player.
- the cards turn from their backs to the player to reveal their faces 408 .
- a standard deck of Clue® cards is used (6 Suspects, 6 Weapons, 9 Rooms).
- the types of cards as revealed on the faces are the bonus elements revealed in this example.
- the two cards match 410 in type, that is, both are Suspect cards, both are Weapon cards, or both are Room cards, then the player qualifies for a bonus game. The player then progress into the bonus game 414 .
- the bonus game could be any type of game including a game of trivia.
- the non-Qualifying credits are based upon the relative probability of not matching card fronts and multiplier values for wagers are assigned accordingly. Revealed card fronts have different multipliers. Because there are more Room cards than Suspect or Weapon cards, the room cards have lower multiplier than Suspect or Weapon cards. In this embodiment a Suspect card is assigned a multiplier of 3 times the wager, the Weapon card is assigned a multiplier of 2 times the wager and the Room card is assigned a multiplier of 1 times the wager. That is to say, if the player does not qualify for the bonus game (the two cards do not match), the player is awarded the sum of the assigned multipliers. E.g., if the two cards turned to reveal a Suspect and a Room, the player would not qualify for the bonus game but would instead receive 4 times the total wager.
- the preferred embodiment of this example uses a conditional probability of match of a Suspect card and a Weapon card of 0.1633.
- the conditional probability of Suspect card and a Room card is 0.2449.
- the conditional probability of a Weapon card and a Room card is 0.2449.
- the conditional probability of Any Non-Qualified Triggers is 0.6531.
- the average expected value of the award multiplier (if not qualifying) is 2.53 times the amount of the wager.
- Alternatives to this example include revealing one or more bonus elements such as a symbol, a value either multiple or number, index, or null, associated with at least one or more of the trigger symbols.
- the trigger symbols may have bonus elements that include a numerical value.
- the player may select one or more bonus elements from a group consisting of, suspect, weapon, room.
- the base game may depict the trigger symbols as cards.
- the player may select the bonus element to attempt to match a group for a predetermined scheme.
- the player may select bonus elements as matching numbers of a predetermined scheme.
- Yet another example of qualifying a player for a bonus game uses two steps or stages on a slot machine configured with both a base game and bonus game.
- the player begins the event placing a wager on the random out come of spinning the base game reels.
- the first stage of player qualification for the bonus game is the successfully aligning of one or more trigger symbols in a predetermined arrangement on the reels of the base game.
- the second stage of the player qualification is initialed by displaying the trigger symbols to the player.
- the player then progresses by selecting a trigger symbol.
- Associated with each trigger symbol is either qualification or non-qualification. Whether a symbol reveals “qualify” or “non-qualify” is done via random process.
- a random integer number may be generated for each symbol in the range between 1 and 100. If the generated random integer is between 1 and X, then the attribute associated with the symbol is “qualify”; otherwise the attribute is “non-qualify”. The player selects one of the symbols, which in turn reveals its attribute. Successful qualifying of the player for the bonus game is achieved when the player selects at least one mystery bonus elements symbol that is a qualifying mystery bonus element.
- Another example of qualifying a player using a multistage bonus uses two mystery dice symbols. These two symbols reveal themselves as a result of a random spin in the base game operation. After the two mystery dice symbols appear they each turn to reveal a random value of pips between 1 and 6 inclusive. If they match the bonus initiates (with 1 ⁇ 6 conditional probability). If they match and are both sixes, then a higher bonus initiates (with 1/36 conditional probability). A non-match can either award nothing or a pay.
- Yet another example of qualifying a player using a multistage bonus is the use of two cards as symbols. As before these card symbols appear as the successful result of a random spin in the base game operation. After the card symbols appear they turn over to reveal their values. If their suits match then the bonus initiates (with 12/52 conditional probability). If they are both red and their suits match, then the player is awarded a higher bonus (with 6/52 conditional probability).
Abstract
A multi-stage method qualifies a player for a bonus game. If two stages are used, the first has the player aligning a combination including at least one trigger symbol. The second stage uses the trigger symbols, reel symbols, other secondary mathematically related elements, or elements associated therewith, to qualify the player for the bonus game. The player interacts during the qualification process by providing input to the second stage.
Description
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- 1. Field of the Invention
- Slot players continue to demand more interaction. Dwindling are the days in which players are captivated upon inserting one to three coins, pulling the handle, and waiting to see the outcome of the spin. Today's slot players want more to do in the form of player choices as part of the game play. These choices are now designed into the play of state-of-the-art slot machines.
- Too, today's slot players have shown an affinity for so-called bonus games, or games within a game. A typical bonus game provides a break from the traditional reel-spinning base-game portion of the wagering experience. Once in the bonus game, the player is treated to an experience in which no additional wager is required, and yet the player is generally assured of winning an award. Too, the bonus game typically “plays” quite differently than the base game. For example, it may involve the player choosing from among several objects (WMS Filthy Rich, Atronic Sphinx, IGT Little Green Men, etc.), a game of strategy (Mikohn Yahtzee, Mikohn Battleship), spinning a physical wheel located in the top-box (Anchor Wheel of Gold, IGT Wheel of Fortune), dropping a ball through a Pachinko forest (Mikohn Boingo), or other possibilities (Anchor Pinball, Barcrest Run for the Money, etc.).
- A bonus game is generally initiated via a special combination of so-called trigger symbols within the base game. To date, initiation within the base game has been done in one of two ways: via line combination or scattered combination.
- A line consists of multiple symbols appearing on the same payline. The symbols may appear left-to-right, right-to-left, or anywhere on the line. Consider a 5 reel game with 3 reel positions shown on each of the reels, and 9 paylines. An example of a line combination triggering the bonus game is that three trigger symbols may be required to appear left-to-right and adjacent starting with the leftmost reel. Once the three triggers are aligned in such a fashion on an active payline, the bonus game is initiated. An example is shown in
FIG. 1 . - On the other hand, a scattered combination is also called an “appearing anywhere” combination. Generally, three or more symbols appearing anywhere are utilized. An example of this is shown in
FIG. 2 . - The prior equipment does not deviate from the above in terms of qualifying the player to play a bonus game. Some games, after the player has qualified, make use of the trigger symbols. For example, in IGT's Catch a Wave slot machine, aligning three trigger symbols in a scatter formation qualifies the player for the bonus. The bonus consists of allowing the player to select one of the trigger symbols, which in turn randomly reveals a numerical award. As another example, in WMS's Monopoly Money Grab, aligning three trigger symbols on an active payline qualifies the player for the bonus. The player is prompted to choose one of the trigger symbols, which in turn randomly reveals the type of bonus that will occur. The screen then changes, and the type of bonus chosen is played. Alternately, (e.g., Silicon Gaming game show type of game) there exists a format in which once the player has qualified for the bonus game (via one or more trigger symbols in the proper locations), an intermediate screen randomly selects the type of bonus that will occur. The screen then changes, and the type of bonus randomly selected is played.
- What is in common with all of the above approaches is that the player qualifies for the bonus game in one step from the base game. While at first thought this might appear appealing, it has several difficulties.
- A first difficulty is that, given the frequency of many bonus games (occurring perhaps every 80-120 spins on average), many players will suffer through long drought periods in between bonus games. Because a major goal of most players is to achieve the bonus game, a long period of wagering between bonus games serves to discourage the player. Too, since the typical base game is simply a “Wager and wait” affair, the player missing out on the bonus game is also missing out on player interaction and missing out leads to additional discouragement.
- The second difficulty is that it is desirable to have the player occasionally (with more trigger symbols) play a bonus game of more value. For example, a bonus game in which the player qualified with 4 trigger symbols might be worth 3 times as much as a bonus game in which the player qualified with 3 trigger symbols, and so forth. Having the same bonus worth potentially different amounts (for example, depending on the number of initiating trigger symbols) helps hold a player's interest. However, practically speaking (because the trigger symbols also occupy space on the reels), the relative probability of the player entering the bonus game with 4 (or 5) triggers drops exponentially from that of 3 triggers.
- The method and apparatus described herein solves these problems by using a two step or two stage method of bonus qualification. The first step or first stage occurs at a much greater frequency than a one step or one stage bonus qualification. Therefore he does not suffer through the long period of wagers before potentially qualifying, and this keeps the players interest in the game high. The second stage provides the player with the opportunity to provide player input, and possibly enter into a bonus event. Through appropriate selection of frequencies of each stage, a game may be designed with a much higher payoff potential, for a given number of trigger symbols, than can be achieved in a one step or one stage bonus event.
- It is an advantage of the instant method and apparatus that players enjoy more interaction.
- It is a further advantage of the instant method and apparatus that players are less likely to perceive long periods of drought between visits to a bonus game.
- It is a further advantage of the instant method and apparatus that the desired frequencies of visits to the bonus game may be precisely controlled without having to clutter the reels with many of a bonus triggering symbol.
- It is a further advantage of the instant method and apparatus that the desired relative frequencies of relative values of the bonus game may be precisely controlled.
- It is a further advantage of the instant method and apparatus that different types of bonus games can be initiated from a common set of triggering symbols; hence the reels need not be cluttered with many different types of bonus triggering symbols.
- 2. Description of Related Art Including Information Disclosed Under 37 CFR 1.97 and 1.98
- None
- The instant method and apparatus utilizes a multi-stage method to qualify the player for a bonus game. Preferably, two stages are used. The first comprises the player aligning a combination including at least one trigger symbol. The second utilizes the trigger symbols, or other secondary mathematical means, to qualify the player for the bonus game. Preferably, the player interacts (that is, provides input to) the second stage of this method.
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FIG. 1 is a diagram of a slot machine wherein three trigger symbols appear on a payline. -
FIG. 2 is a diagram of a slot machine wherein three trigger symbols appear in a scatter pattern. -
FIG. 3 is a flow diagram of a multi-stage bonus event. -
FIG. 4 is a flow diagram of another multi-stage bonus event. - The examples disclose how to use the instant two-stage method as a multiplier for frequency to get into the bonus game. The instant method and apparatus use at least a two-step or multi-stage method to qualify the player for a bonus game. In the preferred embodiment, two stages are used. The first stage comprises the player aligning a combination having at least one trigger symbol. The trigger symbols could, in principle, take a variety of forms thematic to the game in which they are used. The second stage utilizes an associated attribute of the trigger symbols, or other secondary mathematics, to qualify the player for the bonus game. Preferably, the player interacts (that is, provides input to) the second stage of this method. In the examples below the steps are numbered and are keyed to the corresponding figures.
- In operation and referring to
FIG. 3 , there is an example 300 of qualifying a player for a bonus game using two steps or stages on a slot machine. The slot machine is configured with a base game with a bonus game. The player begins the game of chance by placing awager 302 on the results of the random out come of the spin of the reels on the base game. The first stage of player qualification for the bonus game is the successfully aligning of one ormore trigger symbols 304 in a predetermined arrangement on the reels of the base game. Then the second stage of the player qualification is initialed by displaying thetrigger symbols 306 to the player. The player then progresses by selecting 308 one or more of the displayedtrigger symbols 306. Selecting a symbol causes it to display whether or not it is a qualifying symbol. Successful qualifying of the player for the bonus game is achieved when the player selects at least onetrigger symbol 304 that is aqualifying trigger symbol 310. The player is then awarded the Bonus Qualifying win credits 314 and proceeds to play the bonus round. Alternatively, no Bonus Qualifying win credits 314 need be awarded, and instead the player may proceed directly to a bonus game. If the player has not qualified for the bonus round, awarded non-qualifier credits may be awarded 312. Note that in a preferred embodiment the player is choosing from among the trigger symbols themselves. However, in principle, the player may choose from any of the symbols, with each symbol having associated with it either qualification or non-qualification for the bonus game. - In operation and referring to
FIG. 4 , another example 400 is based on a Mikohn Gaming Corporation of Las Vegas, Nevada game,Clue® 2 game. In this example, a two-stage method wins play of a “Mystery Trivia Bonus” game. Play begins with the player placing awager 402 on the outcome of the random spinning of the reels in the base game. Thetrigger symbols 404 are preferably card backs that appear only onreels reels base game 402. The scatter-pay arrangement is then displayed at 406 to the player. Thereafter, on the reels, the cards turn from their backs to the player to reveal theirfaces 408. A standard deck of Clue® cards is used (6 Suspects, 6 Weapons, 9 Rooms). - The types of cards as revealed on the faces are the bonus elements revealed in this example. In particular, if the two cards match 410 in type, that is, both are Suspect cards, both are Weapon cards, or both are Room cards, then the player qualifies for a bonus game. The player then progress into the
bonus game 414. The bonus game could be any type of game including a game of trivia. - If the player has not qualified for the bonus game he may be awarded 412 the Non-Qualifying credits. In the preferred embodiment the non-Qualifying credits are based upon the relative probability of not matching card fronts and multiplier values for wagers are assigned accordingly. Revealed card fronts have different multipliers. Because there are more Room cards than Suspect or Weapon cards, the room cards have lower multiplier than Suspect or Weapon cards. In this embodiment a Suspect card is assigned a multiplier of 3 times the wager, the Weapon card is assigned a multiplier of 2 times the wager and the Room card is assigned a multiplier of 1 times the wager. That is to say, if the player does not qualify for the bonus game (the two cards do not match), the player is awarded the sum of the assigned multipliers. E.g., if the two cards turned to reveal a Suspect and a Room, the player would not qualify for the bonus game but would instead receive 4 times the total wager.
- Given combination of 6 Suspect cards, 6 Weapon cards and 9 Room cards, the preferred embodiment of this example uses a conditional probability of match of a Suspect card and a Weapon card of 0.1633. The conditional probability of Suspect card and a Room card is 0.2449. The conditional probability of a Weapon card and a Room card is 0.2449. The conditional probability of Any Non-Qualified Triggers is 0.6531. The average expected value of the award multiplier (if not qualifying) is 2.53 times the amount of the wager. The conditional probability of Any Qualified Triggers is therefore 1 −0.6531=0.3469. Thus, for example, if the reels were designed to have the cards appear on
reels - Alternatives to this example include revealing one or more bonus elements such as a symbol, a value either multiple or number, index, or null, associated with at least one or more of the trigger symbols.
- The player selecting two symbols to reveal the bonus element instead of the automatic revelation of the bonus element associated with the symbols.
- The player revealing all the trigger symbols with trigger symbols where each contains one or more bonus elements.
- The trigger symbols may have bonus elements that include a numerical value.
- The player may select one or more bonus elements from a group consisting of, suspect, weapon, room.
- The base game may depict the trigger symbols as cards.
- The player may select the bonus element to attempt to match a group for a predetermined scheme.
- The player may select bonus elements as matching numbers of a predetermined scheme.
- Yet another example of qualifying a player for a bonus game uses two steps or stages on a slot machine configured with both a base game and bonus game. The player begins the event placing a wager on the random out come of spinning the base game reels. The first stage of player qualification for the bonus game is the successfully aligning of one or more trigger symbols in a predetermined arrangement on the reels of the base game. Then the second stage of the player qualification is initialed by displaying the trigger symbols to the player. The player then progresses by selecting a trigger symbol. Associated with each trigger symbol is either qualification or non-qualification. Whether a symbol reveals “qualify” or “non-qualify” is done via random process. For example, if it is desired that each symbol have X% chance of qualification, then a random integer number may be generated for each symbol in the range between 1 and 100. If the generated random integer is between 1 and X, then the attribute associated with the symbol is “qualify”; otherwise the attribute is “non-qualify”. The player selects one of the symbols, which in turn reveals its attribute. Successful qualifying of the player for the bonus game is achieved when the player selects at least one mystery bonus elements symbol that is a qualifying mystery bonus element.
- Another example of qualifying a player using a multistage bonus, preferably on video slot reels, uses two mystery dice symbols. These two symbols reveal themselves as a result of a random spin in the base game operation. After the two mystery dice symbols appear they each turn to reveal a random value of pips between 1 and 6 inclusive. If they match the bonus initiates (with ⅙ conditional probability). If they match and are both sixes, then a higher bonus initiates (with 1/36 conditional probability). A non-match can either award nothing or a pay.
- Yet another example of qualifying a player using a multistage bonus is the use of two cards as symbols. As before these card symbols appear as the successful result of a random spin in the base game operation. After the card symbols appear they turn over to reveal their values. If their suits match then the bonus initiates (with 12/52 conditional probability). If they are both red and their suits match, then the player is awarded a higher bonus (with 6/52 conditional probability).
- While the examples illustrating the method and apparatus and different options for embodiments of thereof are explained throughout the preceding disclosure, skilled artisans will appreciate that many variations of the execution will be possible. These card symbols could appear on a secondary screen instead of the video for the base game. The symbols can appear in place of those on base screen, e.g. that the symbols turn into something else. The specific examples should not be considered limiting and they are merely for depiction of some possible embodiments.
Claims (12)
1. A method of qualifying a player for a bonus game on a reel slot machine comprising a base game and a bonus game, the method of qualifying comprising the steps of:
a. aligning in a first stage one or more trigger symbols in a predetermined arrangement on the reels;
b. selecting by the player at least one of the trigger symbols in a second stage, and
c. qualifying the player for the bonus game with at least one but not all of the trigger symbols when the at least one trigger symbol chosen by the player is a qualifying trigger symbol.
2. A method of qualifying the player for a bonus game on a slot machine having a base game and a bonus game, the method of qualifying comprising the steps of:
a. aligning one or more trigger symbols of the base game in a predetermined manner;
b. revealing one or more elements of a symbol;
c. qualifying the player if the at least one element corresponds to the predetermined scheme.
3. The method of claim 2 with the step of the player choosing the at least one symbol to reveal the bonus element.
4. The method of claim 2 with the step of the player revealing two symbols with the bonus elements.
5. The method of claim 2 with the step of revealing all trigger symbols one or more with one bonus element.
6. The method of claim 2 with the step of having bonus elements that include a numerical value.
7. The method of claim 2 with the step of the qualified player selecting one or more bonus elements from a group consisting of; suspect weapon, room.
8. The method of claim 2 with the step of depicting the trigger symbols as cards.
9. The method of claim 2 with the step of matching a group as the predetermined scheme.
10. The method of claim 2 with the step of matching numbers as the predetermined scheme.
11. A method of qualifying the player for a bonus game on a slot machine comprising a base game and a bonus game, the method of qualifying comprising the steps of:
a. aligning one or more trigger symbols of the base game in a predetermined manner;
b. randomly assigning to each symbol either qualification or non-qualification, and
c. qualifying the player if the player chooses a symbol to which has been assigned qualification.
12. A method of qualifying a player for a bonus game on a slot machine comprising a base game and a bonus game, the method of qualifying comprising the steps of:
a. aligning one or more trigger symbols of the base game in a predetermined manner;
b. displaying a plurality of symbols to the player;
c. allowing the player to choose at least one symbol;
d. revealing at least one bonus element associated with the at least one chosen symbol, and
e. qualifying the player if the at least one bonus element corresponds to a predetermined scheme.
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US11/668,563 US20070123340A1 (en) | 2002-06-10 | 2007-01-30 | Slot machine bonus initiated by plural qualifications |
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US10/166,976 US7172505B2 (en) | 2002-06-10 | 2002-06-10 | Slot machine bonus initiated by plural qualifications |
US11/668,563 US20070123340A1 (en) | 2002-06-10 | 2007-01-30 | Slot machine bonus initiated by plural qualifications |
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US10/166,976 Expired - Fee Related US7172505B2 (en) | 2002-06-10 | 2002-06-10 | Slot machine bonus initiated by plural qualifications |
US11/668,563 Abandoned US20070123340A1 (en) | 2002-06-10 | 2007-01-30 | Slot machine bonus initiated by plural qualifications |
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US10/166,976 Expired - Fee Related US7172505B2 (en) | 2002-06-10 | 2002-06-10 | Slot machine bonus initiated by plural qualifications |
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Publication number | Priority date | Publication date | Assignee | Title |
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US20120157195A1 (en) * | 2010-12-21 | 2012-06-21 | Global Gaming Group | Selectable Bonus Round |
US9711006B2 (en) | 2013-03-28 | 2017-07-18 | Aristocrat Technologies Australia Pty Limited | Electronic method of gaming, a game controller and a gaming system |
US10121321B2 (en) | 2015-10-12 | 2018-11-06 | Diamond Game Enterprises | System and method for using conditional probabilities to enhance gaming payouts |
US10395480B2 (en) | 2016-04-28 | 2019-08-27 | Pridefield Limited | Gaming machine with symbol accumulation |
US10636242B2 (en) | 2016-10-31 | 2020-04-28 | Pridefield Limited | Software-based simulation of symbol replacement |
US10685530B2 (en) | 2016-10-31 | 2020-06-16 | Pridefield Limited | Software-based simulation of symbol locking |
US11062553B2 (en) | 2016-10-31 | 2021-07-13 | Fusion Holdings Limited | Software-based simulation of symbol replacement |
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US11132867B2 (en) | 2017-02-06 | 2021-09-28 | Fusion Holdings Limited | Software-based simulation of trigger symbol movement |
Also Published As
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US20030228897A1 (en) | 2003-12-11 |
US7172505B2 (en) | 2007-02-06 |
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Legal Events
Date | Code | Title | Description |
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AS | Assignment |
Owner name: VANCURA, OLAF, NEVADA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PROGRESSIVE GAMING INTERNATIONAL CORPORATION;REEL/FRAME:019537/0073 Effective date: 20070710 Owner name: VANCURA, OLAF,NEVADA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PROGRESSIVE GAMING INTERNATIONAL CORPORATION;REEL/FRAME:019537/0073 Effective date: 20070710 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |