JP2006141654A - Slot machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To impart a variation in the ball discharging rate in response to the game status and the throwing-in quantity of a game medium. <P>SOLUTION: This slot machine can select a casting count for the game medium for playing a game from among a plurality of predetermined casting counts. In the slot machine, a role object lottery means 61 performs a lottery for role objects including SB (single bonus) during a normal game, and controls the slot machine in such a manner that a SB game may be executed when the SB is won or the game medium has entered the SB. During the SB game, the role object lottery means 61 performs a lottery for role objects including an RT shifting role object, and controls the slot machine in such a manner that an RT game may be executed in the next game and after when the RT shifting role object is won or the game medium has entered the RT shifting role object during the SB game. In a role object lottery table 62 which is used under the normal game, a probability for winning the SB is set to be higher as the casting count of the game medium becomes larger. In a role object lottery table 62 which is used under the SB game, a probability for winning the RT shifting role object is set to be higher as the casting count of the game medium becomes smaller. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a slot machine in which a winning combination probability is changed according to the number of inserted game media.

In a conventional slot machine, for example, medals are used as game media. The number of medals inserted at the start of the game can be arbitrarily selected by the player from, for example, 1 to 3. Then, an effective line is set according to the number of inserted medals (see, for example, paragraph number “0047” in Patent Document 1).
JP 2004-222873 A

  However, in the above-described conventional technology, the winning probability of a combination is set higher as the number of inserted medals increases, for example, when the number of inserted medals is three. For this reason, even if the number of medals inserted can be selected, it is normal for a player to play a game by inserting three medals uniformly. In addition, since the payout rate is set for each medal insertion number, if the number of medal insertions is uniform, the change in the output rate due to the difference in the number of medal insertions cannot be utilized.

  Therefore, the problem to be solved by the present invention is to change the payout rate in accordance with the gaming state and the number of inserted game media.

The present invention solves the above-described problems by the following means.
(Claim 1)
The invention according to claim 1 is a slot lottery table in which a winning probability of a combination is determined in a slot machine capable of selecting a number of input game media for performing a game from a plurality of predetermined numbers. A lottery means for performing a lottery using a lottery table, and during the normal game, the part lottery means performs a lottery of a role including the first specific combination, and the combination lottery means during the normal game When the first specific combination is won and the combination of symbols corresponding to the first specific combination is stopped on the active line, the first specific game is controlled to be executed. During the first specific game, The combination lottery means draws a combination including the second specific combination, wins the second specific combination by the combination lottery means during the first specific game, and the symbol corresponding to the second specific combination When the combination stops at the active line, it is advantageous to the player In the combination lottery table that is controlled to execute two specific games and is used in the normal game, the greater the number of game media inserted, the higher the probability that the first specific combination will be won. In the combination lottery table used in one specific game, the smaller the number of game media inserted, the higher the probability of winning the second specific combination is set.

In the invention of claim 1, during the normal game, the more the number of game media to be inserted, the easier it is to win the first specific combination. On the other hand, when winning and winning the first specific combination and shifting to the first specific game, the smaller the number of game media to be inserted, the easier it is to win the second specific combination.
Therefore, it is most advantageous for a player to play a game with the largest number of game media to be thrown in during a normal game and to play with the smallest number of game media to be thrown in after shifting to the first specific game. Become.
In the following embodiment, the game medium is a medal, and the player can select the number of inserted media from 1 to 3. The first specific combination is SB, and the first specific game is SB game. Furthermore, the second specific combination is an RT transition combination and the second specific game is an RT game.

(Claim 2)
According to a second aspect of the present invention, in the slot machine according to the first aspect, the second specific game sets a winning probability of replay for replaying higher than a winning probability and a non-winning probability of other roles. It is a game that draws a role.

  In the invention of claim 2, the second specific game is a game (RT game) set with a high probability of winning for replay. Therefore, when shifting to the second specific game, the game can be continued without reducing the game medium so much, which is advantageous to the player.

(Claim 3)
According to a third aspect of the present invention, in the slot machine according to the first or second aspect, the first specific game is a game executed only for one game.
In the invention of claim 3, the first specific game is an SB game in which only one game is played. Therefore, whether or not to win the second specific combination can be determined by only one game.

(Claim 4)
According to a fourth aspect of the present invention, in the slot machine according to any one of the first to third aspects, the second specific combination is not drawn in the normal game but is in the first specific game. It is a feature that only a lottery is drawn.

  In the invention of claim 4, the second specific combination is drawn only during the first specific game. Therefore, in order to shift to the second specific game, it is possible to make a condition that first, the first specific game is transferred and the second specific combination is won in the first specific game.

(Claim 5)
According to a fifth aspect of the present invention, in the slot machine according to any one of the first to fourth aspects, the combination lottery means performs a combination lottery including at least one kind of small combination, In the normal game and the first specific game, the winning probability of the small combination when the number of inserted game media is the same is set to be the same.

  In the invention of claim 5, the difference between the normal game and the first specific game can be set whether or not the second specific combination is drawn. If the number of game media inserted is the same, The winning probabilities can be made the same.

(Claim 1)
According to the invention of claim 1, during the normal game, the game can be performed with the maximum number of game media to be inserted, and when the game shifts to the first specific game, the game can be performed with the minimum number of game media to be input. Can be the most advantageous to the player. Thereby, it is possible to change the payout rate according to the gaming state and the number of game media inserted.

(Claim 2)
According to the invention of claim 2, when the game is shifted to the second specific game, the game can be continued without reducing the game medium so much.

(Claim 3)
According to the invention of claim 3, whether or not to win the second specific combination can be determined by only one game.

(Claim 4)
According to the invention of claim 4, in order to shift to the second specific game, it is possible to make a condition that first the first specific game is transferred and the second specific combination is won in the first specific game. .

(Claim 5)
According to the invention of claim 5, if the number of inserted game media is the same in the normal game and the first specific game, the winning probability of the small role can be made the same. Therefore, it is possible to set the difference only by whether or not the second specific combination is drawn in the normal game and the first specific game.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing an outline of control of the slot machine 10 in the present embodiment.
(Game control means)
The game control means 60 of the slot machine 10 is means for comprehensively controlling the entire slot machine 10 including the progress and effects of the game of the slot machine 10, and includes lottery of the role, drive control of the reel 31, and payout at the time of winning. It controls the progress of the game and the output of the production. The game control means 60 is provided on the control board, and is a CPU that performs calculations, a ROM that stores programs necessary for the progress of the game, data for production, and the like, and when the CPU performs various controls. RAM etc. which memorize | store the data etc. which were taken in are temporarily stored.

(Bet switch, start switch, stop switch)
As shown in FIG. 1, a bet switch 40, a start switch 41, and a stop switch 42 are electrically connected to the input side (left side in FIG. 1) of the game control means 60.
The bet switch 40 is a switch that is operated when a player inserts a stored medal, and is a switch that enables an effective line by the operation. Although the medal insertion slot is not shown in FIG. 1, the medal insertion slot is a part where the medal is actually inserted in order to validate the effective line, like the bet switch 40.

The start switch 41 is a switch operated by the player when starting the reel 31.
Furthermore, three stop switches 42 are provided corresponding to the three reels 31 and are operated by the player when stopping the corresponding reels 31.

(Motor, reel)
Peripheral devices such as the motor 32 described below are electrically connected to the output side (right side in FIG. 1) of the game control means 60.
The motor 32 is for rotating the reel 31, is connected to the center of rotation of the reel 31, and is controlled by the game control means 60.
The reel 31 has a ring shape, and a reel tape on which a plurality of types of symbols (such as symbols constituting a combination of symbols corresponding to a combination) is attached is attached to an outer peripheral surface thereof.

  In the present embodiment, three reels 31 are provided in parallel. Each reel 31 is arranged so that three symbols that are continuous in the vertical direction can be seen from a display window (not shown) provided on the front panel of the slot machine 10. Therefore, nine symbols are arranged so that a total of nine symbols can be seen from the display window of the slot machine 10.

  When the start switch 41 is operated, a signal generated at that time is input to the game control means 60. When receiving this signal, the game control means 60 controls to drive all the motors 32 and rotate all the reels 31. As the reel 31 is rotated by the motor 32 in this way, the symbols on the reel 31 are moved and displayed in the vertical direction in the display window at a predetermined speed.

  When the stop switch 42 is operated, a signal generated at that time is input to the game control means 60. When the game control means 60 (specifically, a reel stop control means 64 described later) receives this signal, the game control means 60 controls driving of the motor 32 corresponding to the stop switch 42 and stops the reel 31 related to the motor 32. Take control.

  Here, in this embodiment, three reels 31 (left, middle, and right) are provided as described above, and corresponding to this, three stop switches 42 are provided, left, middle, and right. It has been. That is, the reel 31 corresponding to the left stop switch 42 is the left reel 31, the reel 31 corresponding to the middle stop switch 42 is the middle reel 31, and the reel 31 corresponding to the right stop switch 42 is the right reel 31.

(Lamp, speaker, image display device)
Furthermore, the output side of the game control means 60 is electrically connected to the lamp 21, the speaker 22, and the effect output device of the image display device 23. The production output device is not limited to these.

  The lamps 21 are effects lamps for the slot machine 10 and are turned on in a predetermined pattern when predetermined conditions are satisfied. The lamp 21 includes a back lamp (not shown) arranged on the inner peripheral side of each reel 31, an upper lamp and a side lamp which are arranged on the front surface of the casing of the slot machine 10 and blink when a winning combination is made. A lamp (not shown) and the like are included.

The speaker 22 outputs a predetermined sound when a predetermined condition is satisfied so as to perform various effects during the game.
Furthermore, the image display device 23 includes a liquid crystal image display device, a dot display, and the like, and displays various effect images, predetermined information, and the like during the game.

  At the start of the game, the player operates the bet switch 40 to insert a previously stored medal, or inserts a medal from the medal slot to set an effective line, and turns on the start switch 41. When the start switch 41 is turned on, the number of effective lines is determined and all the reels 31 are started (rotation is started).

  Then, the player presses each stop switch 42 to stop the rotation of each reel 31. When all the reels 31 are stopped, when the combination of symbols of the reels 31 on the active line matches a predetermined combination of symbols of a certain combination and the winning combination of that combination is won, Payout etc. are performed.

(Design combination line, effective line)
Although not shown, a symbol combination line (effective line) is provided in a portion including the display window of the slot machine 10.
Here, the “symbol combination line” is a line of symbols when the reel 31 is stopped, and is a line that forms a combination of symbols. In the present embodiment, it is composed of a total of five lines: lines provided respectively in the middle, upper, and lower stages in the horizontal direction, and diagonal lines in the downward and leftward diagonal directions. The three symbols that are continuous above and below each reel 31 are positioned on one or more symbol combination lines.

Further, among the five symbol combination lines, an effective line and an invalid line are set from the symbol combination lines according to the number of medals inserted by the player.
Here, in the present embodiment, the “effective line” is a line for winning a combination when a combination of symbols corresponding to any combination stops on the line.

  On the other hand, the “invalid line” is generated when the number of inserted medals is one or two, and is a line that is not set as an effective line among the symbol combination lines, and a combination of symbols corresponding to any of the combinations. Even if the line is stopped, a profit according to the combination (medal payout etc.) is not performed. In other words, the invalid line is a line that is not a target of combination of symbols in the first place.

  Here, in this embodiment, the player can select from 1 to 3 medal insertions in one game. When the number of medals inserted is 1, the horizontal symbol combination line (one line) is set as an effective line, and the remaining four symbol combination lines are set as invalid lines. When the number of inserted medals is 2, the horizontal, middle, upper and lower symbol combination lines (total of three) are set as valid lines, and the other two symbol combination lines are set as invalid lines. The Furthermore, when the number of inserted medals is 3, all the symbol combination lines (a total of 5) are set as valid lines and there are no invalid lines.

(Role)
FIG. 2 is a diagram showing the types of winning combinations and winning probabilities in the present embodiment. As the types of combinations in this embodiment, special combinations, small combinations, replays, RT transition combinations, SRBs, and predetermined combinations are provided.
The special combination is a combination for executing a special game. In this embodiment, three types of special combination BB (big bonus), RB (regular bonus), and SB (single bonus) are provided. Yes.

  BB is a role for shifting to a BB game, which is one of special games, and RB is a role for shifting to an RB game, which is another one of special games. The SB is a role for shifting to the SB game which is still another special game.

The small combination is a combination in which a predetermined number of medals are paid out. In this embodiment, two types of small combination 1 and small combination 2 are provided.
Furthermore, the replay is a re-playing role that enables a re-play that maintains the number of inserted medals (the number of bets) in the game.
Furthermore, the RT transition combination is a combination that is drawn only during the SB game. When the RT transition combination is won and won, an RT game (described later) is executed after the next game.

The SRB is a combination that is drawn during the general game of the BB game, and is a combination for shifting from the general game to the bonus game during the BB game. That is, when the SRB is won and won during the general game of the BB game, the game shifts from the general game to the bonus game.
Furthermore, the predetermined combination is a combination that is drawn in a bonus game of BB game and during an RB game, and is a combination in which a predetermined number of medals are paid out in the same manner as the small combination.

Further, the combination is determined for each gaming state (during normal gaming (internal / non-internal) and special games).
Here, the concept called non-inside and inside is provided in the normal game. Non-internal means a gaming state that has not been won for a special role. On the other hand, “inside” means that a special combination is won in the game or the game before it, but the combination of symbols corresponding to the selected special combination is not stopped on the active line (no winning) Refers to the game state.

In the present embodiment, special roles (BB, RB, and SB), two types of small roles (small role 1 and small role 2), and replay are provided as the roles during normal games (not inside).
On the other hand, a role in the normal game (inside) is a role obtained by removing the special role from the above-mentioned role in normal game in the non-inside. That is, in a normal game, a special role lottery is performed during non-inside, but when a special role is won and the internal role is entered, the special role lottery is not performed.

Furthermore, the BB game is provided with a general game and a bonus game. As shown in FIG. 2, there are two types of small roles (small role 1 and small role 2) as a role during the general game of the BB game. ) And SRB.
Further, the bonus game and the RB game of the BB game are equal games, and are games in which a predetermined role is drawn.
In the SB game, a small combination 1, a small combination 2 and an RT transition combination are drawn by lottery.
In the present embodiment, during the bonus game of BB game and during the RB game, a lottery other than the predetermined role is not performed, but a lottery of another role may be performed. Similarly, lottery of BB, RB, SB and replay is not performed during the SB game.

In each of the above combinations, if the combination of symbols corresponding to the combination does not stop on the active line in the game selected for the combination, a combination that is carried over after the next game and a combination that is not carried over are determined. .
Among the special roles, BB and RB can be cited as carry-overs. When winning a winning combination in the drawing by the drawing lottery means 61, which will be described later, the combination of symbols corresponding to the winning combination is stopped on the active line, and in the game until the winning of the winning combination, It is controlled to carry over the winning after the next game.

  On the other hand, in the lottery of the role by the lottery means 61, when a winning combination other than the above-mentioned BB and RB is won, the winning combination is effective only in the game, and the winning is not carried over after the next game. That is, in a game in which these winning combinations are won, the reel 31 is controlled to stop the winning combination so that the winning combination can be won at the end of the game regardless of whether or not the winning combination has been won. The rights will disappear.

  In addition, although not shown in the drawings, combinations of symbols of the reels 31 corresponding to the various types of roles described above are determined in advance, and when all the reels 31 are stopped, combinations of symbols corresponding to any of the predetermined roles are determined. Stops on the active line and when the winning combination is won, a predetermined number of medals are paid out.

  The game control means 60 includes the following part lottery means 61 and the like. The following means in the present embodiment are examples, and the game control means 60 is not limited to the means shown in the present embodiment.

(Role lottery means)
The role lottery means 61 performs lottery of a role (the special role, the small role, the replay, the RT transition role, the SRB, and the predetermined role described above). The role lottery means 61 is based on, for example, a random number generation means (hardware random number, etc.) for a role lottery, a random number extraction means for extracting a random number generated by the random number generation means, and a random value extracted by the random number extraction means. And determining means for determining the presence / absence of a winning combination and the winning combination.

  The random number generation means of the role lottery means 61 generates random numbers in a predetermined area (for example, 0 to 65535 in decimal notation). The random number extracting means extracts the random number generated by the random number generating means at a predetermined time, in this embodiment, when the start switch 41 is turned on (operated) by the player. The determination unit determines the combination corresponding to the region to which the random number value belongs by comparing the random number value extracted by the random number extraction unit with a combination lottery table 62 described later. For example, when the extracted random number value belongs to the BB winning area, it is determined as BB winning, and when it belongs to the non-winning area, it is determined as non-winning.

  As shown in FIG. 2, the role lottery means 61, for example, during a normal game (non-inside), a special role (BB, RB and SB), a small role (small role 1 and small role 2), a replay, and a non-play Based on the random number extracted from the winning, the presence / absence of winning and the winning combination are determined.

(Role drawing table)
The combination lottery table 62 defines the types of combinations to be selected and the winning probability of each combination. The combination lottery table 62 includes a specific combination lottery table 62 for each gaming state.
Each combination lottery table 62 has a predetermined range of lottery areas. The lottery area is divided into a winning area and a non-winning area for each combination, and the winning combinations are determined in advance. It is set to a predetermined ratio so as to be a probability.

  Further, as shown in FIG. 2, the winning probability of each combination is determined for each inserted number of medals. Here, each combination is set such that the winning probability increases as the number of inserted medals increases, except for the RT transition combination. For example, the winning probability of BB is set to 1/900 for 1 sheet, 1/450 for 2 sheets, and 1/300 for 3 sheets.

  On the other hand, the RT transition combination in the SB game is set such that the smaller the number of medals inserted, the higher the winning probability. For example, when the number of inserted medals is 1, the winning probability is ½, but when it is two, it is set to 1/5, and when it is three, it is set to 1/100.

  In addition, the winning probabilities of the small combination 1 and the small combination 2 are set to be the same for all the medals inserted in the normal game, the RT game, and the SB game. On the other hand, in the general game of the BB game, the winning probability of the small combination 1 when the number of inserted medals is 3 is set high (1/3).

When a medal is inserted, a combination lottery table 62 is set according to the number of inserted medals, and a combination of lotteries is performed with a winning probability determined in the combination lottery table 62.
The winning area of each combination is determined for each set value of the payout rate (for example, 6 levels from setting 1 to setting 6), and the winning probability of each role shown in FIG. An example is given when is defined.

(Means to carry over special roles)
In the game until the special combination winning means 63, the combination of symbols corresponding to the special combination stops on the active line (until the special combination wins) when winning the special combination BB or RB. It controls to carry on the special role winning after the next game.
In the present embodiment, when the winning combination is carried over by the special role winning carry-over means 63, the game at the time of winning the special role, or the game that has not been won for the small role or replay after the special role winning, The role can be won.

(Reel stop control means)
The reel stop control means 64 is based on the lottery result of the winning combination by the winning lottery means 61 when the stop switch 42 is operated and the timing when the stop switch 42 is operated. , The stop position of the reel 31 corresponding to the stop switch 42 is determined, and the motor 32 is driven and controlled to stop the reel 31 at the determined position.

(Stop position determination table)
The stop position determination table 65 determines the stop position of the reel 31 (design on the effective line when the reel 31 is stopped) based on the position of the reel 31 at the moment when the stop switch 42 is operated.
The stop position determination table 65 is a BB table, RB table or SB table used when winning a special role BB, RB or SB, respectively, a small role 1 table used when winning a small role 1 or a small role 2 or Small role 2 table, replay table used at the time of replay winning, RT transition role table used at the time of winning RT transition role, SRB table used at the time of winning SRB, predetermined role table used when winning the predetermined role, and non-winning A non-winning table used sometimes.

  The BB table is used on condition that the BB is won in the game, or the BB is won in the game before the game and the game is not won. The combination of symbols when the reel 31 is stopped is determined so that the combination of symbols corresponding to is stopped on the effective line and the combination of symbols corresponding to the role other than BB is not stopped on the effective line.

  Here, “within the range of stop control of the reel 31” in the stop position determination table 65 means the movement amount (rotation amount) of the reel 31 from the moment when the stop switch 42 is operated until the reel 31 actually stops. In particular, in this embodiment, (1) the movement control amount of the reel 31 from when the stop switch 42 is operated (instant) until the reel 31 is stopped is within 5 symbols, or (2) the stop switch 42 is The stop control time from when it is operated (instant) until the reel 31 is stopped is within 190 ms.

  In addition, the RB table is used on the condition that the RB is won in the game, or the RB is won in the game before the game and the game is not won. The combination of symbols when the reel 31 is stopped is determined so that the combination of symbols corresponding to RB is stopped on the effective line and the combination of symbols corresponding to roles other than RB is not stopped on the effective line. .

  Furthermore, the SB table is used on the condition that SB is won in the game, and within the range of the stop control of the reel 31, the combination of symbols corresponding to SB is stopped on the effective line, and symbols other than SB are also displayed. The combination of symbols when the reel 31 is stopped is determined so that the combination is not stopped on the effective line.

  Further, the small role 1 table or the small role 2 table is used on the condition that the small role 1 or the small role 2 is won in the game, respectively, and within the range of the stop control of the reel 31, the small role 1 or the small role 2 table, respectively. The combination of the symbols corresponding to the combination 2 is stopped on the effective line, and the combination of the symbols corresponding to the combination other than the small combination 1 or the small combination 2 is not stopped on the effective line. A combination is defined.

  In addition, the replay table is used on the condition that the replay is won in the game, and the combination of symbols corresponding to the replay is stopped on the effective line within the range of the stop control of the reel 31, and the role other than the replay is also supported. The combination of symbols when the reel 31 is stopped is determined so that the combination of symbols to be stopped is not stopped on the effective line. Note that the replay tables used in the normal game and the RT game are common.

  Furthermore, the RT transition combination table is used when the RT transition combination is won in the SB game, and the combination of symbols corresponding to the RT transition combination is stopped on the effective line within the range of the stop control of the reel 31, and the RT transition combination is stopped. The combination of symbols when the reel 31 is stopped is determined so that the combination of symbols corresponding to other combinations is not stopped on the effective line.

  Further, the SRB table is used in the general game of the BB game when the SRB is won, and the combination of symbols corresponding to the SRB is stopped on the effective line within the range of the stop control of the reel 31 and corresponds to a role other than the SRB. The combination of symbols when the reel 31 is stopped is determined so that the symbol combination is not stopped on the effective line.

The predetermined combination table is used when a predetermined combination is won during the bonus game of the BB game and during the RB game, and the combination of symbols corresponding to the predetermined combination is stopped on the effective line within the range of the stop control of the reel 31. The combination of symbols when the reel 31 is stopped is determined so that the combination of symbols corresponding to a combination other than the predetermined combination is not stopped on the effective line.
Furthermore, the non-winning table defines a combination of symbols when the reel 31 is stopped so that a combination of symbols corresponding to any combination does not stop on the active line.

  As described above, the reel stop control means 64 uses the stop position determination table 65 to stop the combination of symbols corresponding to any of the combinations on the effective line, and the range of the stop control of the reel 31. The symbols constituting the combination of symbols corresponding to the combination are controlled so as to be stopped on the active line.

(Stop symbol discrimination means)
The stop symbol discriminating means 66 discriminates whether or not the symbol combination of the reel 31 stopped on the effective line matches the symbol combination corresponding to any combination when the reel 31 is stopped. The stop symbol discriminating means 66 discriminates the symbol on the effective line by detecting, for example, the angle or the number of steps when the motor 32 is stopped.

  The stop symbol discriminating means 66 does not discriminate the symbol combination after the reel 31 is actually stopped. Instead, the stop symbol discriminating unit 66 uses the stop position determination table 65 to determine the reel from the position of the reel 31 at the moment when the stop switch 42 is operated. It is also possible to determine a combination of symbols on the effective line when 31 stop positions are determined.

(Payment means)
The payout unit 67 determines that the combination of symbols stopped on the active line when the reel 31 is stopped matches the combination of symbols corresponding to any of the combinations by the stop symbol determining unit 66 and the winning combination is won. In addition, a predetermined number of medals corresponding to the winning combination is paid out to the player, or processing such as credit addition is performed. Further, at the time of replay winning, control is performed so that the number of medals inserted in the game is automatically inserted without paying out medals.

(Special game control means)
The special game control means 68 controls the transition from the normal game (internal game) to the special game (BB game, RB game or SB game), the progress of the game during the special game, and the end of the special game. It is.

  First, the special game control means 68 shifts from the normal game to the special game on the condition that the combination of symbols corresponding to the special role (BB, RB or SB) is stopped on the active line, that is, the special role is won. Control to do. For example, control is performed so that when a BB wins, the normal game shifts to BB game, when an RB wins, the normal game shifts to RB game, and when SB wins, the normal game shifts to SB game.

Further, when transitioning to BB game, RB game or SB game, the role lottery table 62 is switched to the role lottery table 62 specific to the BB game, RB game or SB game, respectively.
First, in the BB game, the special game control means 68 first starts a general game. In this general game, the combination drawn by the combination lottery means 61 is a small combination 1, a small combination 2 or an SRB as shown in FIG. In general games, the player can arbitrarily select the number of inserted medals from 1 to 3.

  Then, when the combination of symbols corresponding to any of the combinations stops on the active line during the general game, the special game control means 68 pays out medals according to the combination and also corresponds to the SRB. When the combination is stopped on the active line, the game is shifted from the general game to the bonus game (same as the RB game in this embodiment).

  In the bonus game, unlike the general game, control is performed so that only one medal is accepted. In addition, as shown in FIG. 2, only the predetermined combination is selected by the combination lottery means 61 in the bonus game. In the bonus game, the predetermined combination is determined by the combination lottery table 62 so as to win with a high probability of 1 / 1.1.

In the bonus game of the present embodiment, until the predetermined number of winnings of the predetermined role reaches the specified number of times (8 times in the present embodiment) or until the number of games reaches the specified number of times (in this embodiment, 12 times) Will continue.
The special game control means 68 ends the bonus game when the number of winnings or the number of games of the predetermined role in the bonus game reaches the specified number of times, and on condition that the BB game end condition is not satisfied. Control is performed to return to the general game again.

  Here, the end condition of the BB game is determined until the payout number of medals during the BB game reaches a predetermined number (480 in this embodiment). Therefore, the special game control means 68 counts the number of medals paid out during the BB game, and controls to end the BB game when the predetermined number is reached.

Further, in the RB game, the special game control means 68 performs one set of bonus games in the above-mentioned BB game, that is, until the predetermined number of winnings or the number of games reaches a specified number of times.
Therefore, in the RB game, the special game control means 68 continues the RB game until the predetermined number of winnings or the number of games reaches the specified number, and when the predetermined number of winnings or the number of games reaches the specified number. Determines that the RB game end condition is satisfied, and controls to end the RB game.

  Furthermore, the special game control means 68 performs control so that only one game is executed in the SB game. In the SB game, as shown in FIG. 2, the role lottery means 61 performs a lottery of the small role 1, the small role 2, and the RT transition combination. Here, in the SB game, the player can arbitrarily select the number of inserted medals from 1 to 3. When the number of medals is one, it is easier to win the RT transition combination. When winning or winning a small combination 1 or small combination 2 in the SB game, control is performed to return to the normal game after paying out medals corresponding to the selected small combination. On the other hand, when the RT transition combination is won and won, control is performed so that the medals corresponding to the RT transition combination are paid out and then the RT transition is made.

  The RT game in the present invention is the same as the normal game except for the replay winning probability. In other words, the RT game is a game in which only the winning probability of replay is different from that of the normal game. As shown in FIG. 2, the winning probability of replay in the normal game is set to 1 / 7.3 regardless of the number of medals inserted. On the other hand, in RT games, the winning probability of replay is set to 1 / 1.2 regardless of the number of medals inserted, and is set higher than other winning combinations and non-winning probabilities.

Thereby, during the RT game, a game state in which replays are frequently won and won is achieved, and the player can continue the game without substantially reducing the number of medals owned.
In addition, once the RT game of this embodiment is executed, it is continued until BB or RB is won. Therefore, it is possible to wait for the winning of BB or RB without significantly reducing the number of medals owned.

(Production control means)
The effect control means 69 controls the output of effects from the above-described effect output devices (the lamp 21, the speaker 22, and the image display device 23).
The production control means 69 selects the production pattern for each game based on the lottery result of the combination by the combination lottery means 61. Particularly in this embodiment, a plurality of types of effect patterns are provided in advance. Then, the effect control selection means 69 selects any one effect pattern by lottery using software random numbers after the role lottery means 61 is selected at the start of the game.

  In addition, a plurality of types of production patterns are provided according to the winning combination. For example, each time a special role is elected, a small role is elected (non-internal or internal), a replay election (non-internal or internal), and a non-winning (non-internal or internal) There are various types of performance patterns.

As for the production pattern, as to the progress of the game, at what timing (when the start switch 41 is operated, when each stop switch 42 is operated, etc.) what kind of production is output (how the lamp 21 is lit) And what kind of sound is output from the speaker 22, what kind of image is displayed on the image display device 23, etc.).
Then, the effect control means 69 controls to output the effect from the effect output device at a predetermined timing according to the selected effect pattern.

The slot machine 10 of the present embodiment configured as described above has the following characteristics.
First, in a gaming state in which no special combination is won (in a non-inside normal game), a state is waited for which of BB, RB, or SB is won.
Here, as shown in FIG. 2, the winning probability of BB, RB, and SB increases as the number of inserted medals increases. Therefore, the player plays a game by inserting three medals.
And when BB or RB is won and won, BB game or RB game is executed, respectively.

  On the other hand, when SB is won, SB game is executed for only one game, but the most important combination that is selected during the SB game is the RT transition combination. In the SB game, a small combination 1 and a small combination 2 are drawn, but even if these combinations are won and won, only a predetermined number of medals corresponding to the small combination won in the game are paid out. On the other hand, when the RT transition combination is won and won, the RT game is executed after the next game and continues until BB or RB is won.

  Therefore, from the viewpoint of the player, it is more advantageous to win the RT transition combination than to win the small combination 1 or the small combination 2. The RT transition combination wins with higher probability as the number of inserted medals is smaller. Thereby, during the SB game, it is advantageous for the player to play with the medal inserted number being one.

  Here, assuming that the number of inserted medals is fixed at 3, the winning probability of SB during normal game is 1/500, and the probability of winning the RT transition combination during SB game is 1/100. Therefore, when the number of inserted medals is 3, the combined probability of winning the RT transition combination during the game is 1/50000.

On the other hand, assuming that the number of inserted medals is fixed at 1, the winning probability of SB during normal game is 1/65536, and the probability of winning the RT transition combination during SB game is 1/2. Therefore, when the number of inserted medals is 1, the combined probability of winning the RT transition combination during the game is 1/1131072.
If calculated in the same manner, when the number of inserted medals is 2 (fixed), the combined probability of winning the RT transition combination during the game is 1/163840.

As described above, when the number of inserted medals is fixed, the combined probability (1/50000) of winning the RT transition combination during the game is the highest when the number of inserted medals is 3.
On the other hand, if the number of inserted medals is 3 during normal game and 1 only during SB game, the combined probability of winning the RT transition combination is 1/500 × 1/2 = 1/1000. That is, it becomes higher than when the number of inserted medals is fixed to 3.
As described above, in this embodiment, if the number of inserted medals is changed according to the game state (three in normal game and one in SB game), it is most advantageous to win the RT transition role. You can play games in the state.

Next, the game flow in this embodiment will be described. FIG. 3 is a flowchart showing the flow of processing during a normal game.
In step S11 of FIG. 3, the game control means 60 continues to detect whether or not a medal has been inserted. When the insertion of a medal is detected, such as when the bet switch 40 is operated, the process proceeds to step S12. In step S12, the game control means 60 continues to detect whether the start switch 41 is turned on. And when ON is detected, an effective line is decided and it progresses to Step S13. In step S <b> 13, the game control unit 60 controls to start rotation of all the reels 31.

  In the next step S14, the part lottery means 61 performs a part lottery. In step S15, the stop position determination table 65 corresponding to the winning combination is set. In the next step S16, the game control means 60 continues to determine whether or not the stop switch 42 is turned on. When it is determined that the stop switch 42 has been turned on, the process proceeds to step S17, where the reel stop control means 64 controls the drive of the motor 32 to perform stop control of the reel 31 corresponding to the turned on stop switch 42.

  Next, proceeding to step S18, the game control means 60 determines whether or not all the reels 31 have stopped, and when determining that they have stopped, proceeds to step S19. On the other hand, when it is determined that all the reels 31 have not stopped yet, the process returns to step S16.

  In step S19, the stop symbol determination means 66 determines whether any winning combination has been won (whether the combination of symbols corresponding to any winning combination has stopped on the active line), and determines that winning has been won. If so, the process proceeds to step S20. On the other hand, when it is determined that no winning is made, the process proceeds to step S21. In step S20, the payout means 67 performs payout processing according to the winning combination. For example, when a small combination wins, the number of medals corresponding to the winning small combination is paid out, and at the time of replay winning, a process of automatically inserting the number of medals inserted in the game is performed. Then, the process proceeds to step S21.

  In step S21, the stop symbol determination means 66 determines whether or not a special combination (BB, RB or SB) has won a prize. When it is determined that the special combination has won, the process proceeds to step S22, and control is performed so as to shift to a special game (BB game, RB game or SB game) corresponding to the special combination that has won the prize. On the other hand, when it is determined that the special combination has not won, the process according to this flowchart is terminated.

  In addition, description is abbreviate | omitted about the flow of a process in BB game, RB game, and SB game. For example, the flow of the process in the SB game will be described with reference to the flowchart of FIG. Done. In step S21, it is determined whether or not the RT transition combination has been won. If it is determined that the RT transition combination has been won, control is performed so that the RT game is executed after the next game. On the other hand, when it is determined that the RT transition combination is not won, the next game is controlled to return to the normal game.

  Whether or not the RT game is being executed can be determined by, for example, providing an RT flag and turning it on during the RT game. Then, in the lottery of the combination in step S14, it is determined whether or not the RT flag is on. If it is on, the RT lottery table 62 for RT games (replay winning probability is set high) is determined. Use the lottery.

Although one embodiment of the present invention has been described above, the present invention is not limited to the above-described embodiment, and various modifications such as the following are possible.
(1) In this embodiment, medals are used as game media. However, the present invention can also be applied to slot machines that use game media other than medals, such as game balls.

  (2) In the present embodiment, the first specific combination is SB and the first specific game is SB game. In addition, the second specific combination is an RT transition combination and the second specific game is an RT game. However, the present invention is not limited to this, and the first specific combination, the first specific game, the second specific combination, and the second specific game may include a combination or game other than the combination or game in addition to the combination or game. good.

(3) In addition, the RT transition combination is drawn only during the SB game, but the present invention is not limited to this, and it may be drawn during the normal game. Further, when a specific condition is satisfied, for example, a lottery may be performed after the end of the BB game to execute the RT game.
(4) The small combination 1 and the small combination 2 in the present embodiment are examples, and any number of small combinations may be provided. In this case, the relationship between the number of inserted medals and the winning probability is arbitrary. Can be set.

It is a block diagram which shows the outline of control of the slot machine in this embodiment. It is a figure which shows the kind of winning combination in this embodiment, and a winning probability. It is a flowchart which shows the flow of the game in a normal game.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Slot machine 21 Lamp 22 Speaker 23 Image display apparatus 31 Reel 32 Motor 40 Bet switch 41 Start switch 42 Stop switch 60 Game control means 61 Role lottery means 62 Role lottery table 63 Special role selection carryover means 64 Reel stop control means 65 Stop position Decision table 66 Stopped symbol discrimination means 67 Payout means 68 Special game control means 69 Production control means

Claims (5)

In a slot machine in which the number of game media input for playing a game can be selected from a plurality of predetermined input numbers,
A role lottery table that determines the winning probability of a role,
A role lottery means for drawing a role using the role lottery table,
During the normal game, the combination lottery means draws a combination including the first specific combination,
When the first specific combination is won by the combination lottery means during the normal game, and the combination of symbols corresponding to the first specific combination is stopped on the active line, the first specific game is controlled. ,
During the first specific game, the combination lottery means draws a combination including the second specific combination,
When the second specific combination is won by the combination lottery means during the first specific game and the combination of symbols corresponding to the second specific combination stops on the active line, the second specific is advantageous to the player. Control to run the game,
In the combination lottery table used in the normal game, the greater the number of game media inserted, the higher the probability of winning the first specific combination is set,
The slot machine characterized in that, in the combination lottery table used in the first specific game, the probability of winning the second specific combination is set higher as the number of inserted game media is smaller. The slot machine according to claim 1, wherein
The slot machine according to claim 2, wherein the second specific game is a game in which a winning combination of replay for performing a re-game is set higher than a winning probability and a non-winning probability of another winning combination. The slot machine according to claim 1 or 2,
The slot machine characterized in that the first specific game is a game that is executed only for one game. In the slot machine according to any one of claims 1 to 3,
The slot machine is characterized in that the second specific combination is not a lottery during the normal game but is selected only during the first specific game. In the slot machine according to any one of claims 1 to 4,
The role lottery means draws a role including at least one kind of small role,
The slot machine, wherein the winning probability of the small combination when the number of inserted game media is the same in the normal game and the first specific game is set to be the same.

Images