JP2005270314A - Pinball machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide unpredictable quality to the trigger of going into a privilege game such as a probability variation game by giving the impression that the probability variation game is suddenly started without passing through a big winning game to a player. <P>SOLUTION: At the time of winning probability variation winning, not a long-term normal opening game but a short-term limited opening game is selected by drawing or the like, a big winning port is opened in a form to remain with a few entries without the performance of clearly reporting the big winning, and the big winning game is ended in an early stage by a blowout end. Thereafter, the entry to the probability variation game is reported and shifting to the probability variation game is performed. The player has the impression that the probability variation game is suddenly started after small profits equivalent to small winning without recognizing the introduction of the big winning. A part of the probability variation big winning becomes the one for which discharge balls are suppressed and the base of the winning probability of the big winning can be set high. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention is mainly used for laws related to customs business regulations and business optimisation, abbreviated law, Article 2, Paragraph 1, Item 7, Pachinko-ya, and Item 8 stores. The present invention relates to ball and ball game machines such as pachinko machines, and new and second-hand goods that have been made for general users. In particular, bonuses that can be entered into special games such as probability-changing games (probability-changing games for short) that increase the probability of winning the jackpot again after jackpots, and time-saving games (for short-time games for short) that increase the time efficiency of jackpot lottery It relates to the improvement of the bullet ball machine with function.

  Bonus games such as probabilistic games are intended to raise the expectation of so-called renso, which is a big hit in the early stage of re-winning jackpots, “Rules related to accreditation of game machines and verification of type etc.” The so-called round is to win a bonus jackpot called probabilistic jackpot, etc., shift to a jackpot game that opens the winning prize opening for a long time, and reopen the winning prize opening. The continuation of the game is terminated, and the operation of the accessory continuous operation device referred to in the gaming machine rules is completed, and the game is entered only after the jackpot game is completed.

When entering a bonus game such as a probable game, generally, as described in Patent Document 1, it is immediately notified that the game state is advantageous due to a specific display or the like, and the player plays a large number of balls in the first jackpot game. After getting the game, it prevents you from inadvertently stopping the game. Or, as described in Patent Document 2, even after a big hit game, internally, even if it has entered a bonus game due to probability change, it will not be notified immediately, but will be notified with a delay after the symbol variation of 10 times, etc. In some cases, the notice of disappointment when the bonus is not obtained is postponed, and the operating rate of the game is increased by the hidden information.
Japanese Utility Model Publication No. 8-21 (Division of Japanese Utility Model Application No. 3-64129) JP 2000-271297 A

  However, the conventional method has some differences in the method of notification, but basically, it is possible to win a jackpot once and enter a bonus game such as a probable game after passing the jackpot game. As a result of only the gaming machines being supplied to the market, there is no longer a rut, and the usual mediocre gameplay can only be provided to the players.

  In the present invention, the player has an impression that he has suddenly entered a privilege game such as a probable game without going through a big hit game, and has an unexpected charm in entering the privilege game. It is an object to provide a ball game machine that can be given.

The invention according to claim 1 has a lottery means (R) including lottery means (R) including a lottery for a bonus jackpot to enter into a bonus game that is easy to reach a big jackpot after the jackpot is opened by the jackpot as illustrated in FIG. A ball game machine is assumed. Here, the jackpot means that the big winning opening is opened under the operation of the condition device referred to in the rule, which is a condition necessary for the operation of the accessory continuous operation device referred to in the gaming machine rule. The bonus game includes a probability change game, a short-time game, and the like, and the bonus jackpot includes a probability change jackpot, a time-saving jackpot, and the like. And the following means were provided.
An open mode in which either a normal open game in which a large winning opening is opened in a mode in which a large number of winnings can be obtained or a limited open game in which a large winning port is opened in a mode in which only a small number of winnings are held at the time of winning the bonus jackpot Selection means (A).
Transition effect changing means (B) for making a transition to a normally open game via a jackpot explicit notification effect when selecting a normal open game, and for shifting to a limited release game without a jackpot explicit notification effect when selecting a limited release game.
A privilege game notification means (C) for notifying a rush to a privilege game based on a bonus jackpot including a limited release game.

  In the invention according to claim 2, the restricted open game is made by shortening the maximum opening time of the big winning opening and / or reducing the maximum winning number to the big winning opening. In the normally open game, the maximum open time is 30 seconds, for example, while in the limited open game, the maximum open time is shortened to 1.5 seconds, for example. Or, in a normally open game, the maximum number of winnings is, for example, 10 balls, whereas in a limited opening game, the maximum winning number is reduced to, for example, 1 ball. These are applied alone or in combination.

  The invention according to claim 3 is characterized in that the lottery means (R) includes a lottery lottery to open a big winning opening other than the big hit, and an opening mode of the big winning opening at the time of the small hit and a limited open game at the bonus big hit The opening mode of the big prize opening was set to the same level. In any opening mode, the maximum opening time is set to 1.5 seconds, for example, and the maximum winning number is set to 1 ball, for example. Here, “small win” means that the special winning opening is opened under the non-operation of the condition device in the gaming machine rules.

  The invention according to claim 4 has an effect display device (7) for displaying the lottery result of the lottery means (R) remarkably in terms of effect, and the transition effect changing means (B) is a limitation at the time of winning the bonus bonus There is a specification for causing the display device (7) to display a pseudo non-hit effect display when an open game is selected. The effect display device (7) is a special symbol display device according to the same rule that displays a combination of a special electric accessory that opens the special winning opening and a symbol that activates the condition device according to the rule. It is a different concept. The pseudo non-hit effect display is, for example, a combination of numbers other than these if the jackpot effect display is a set of three odd numbers of “1”, “3”, “5”, and “7”.

  The invention according to claim 5 is an effect display in which the lottery means (R) includes a lottery lottery that opens a big winning opening other than the jackpot, and the lottery result of the lottery means (R) is displayed prominently. The transition effect changing means (B) has a specification for causing the effect display device (7) to display an effect display similar to the small win when selecting the limited open game at the time of winning the bonus big hit. . For example, if the small hit effect display is a triple of even numbers of “2”, “4”, “6”, or “8”, any triple of even numbers in the same range, or , A particular even number of triples included in the range, etc.

  The invention according to claim 6 places importance on giving randomness to a case that suddenly enters a probability variation game, and the lottery means (R) includes a normal jackpot lottery that does not enter a privilege game, and the opening mode selection means (A) selects either a normal open game or a restricted open game by a lottery according to a predetermined selection probability at the time of the first bonus jackpot winning after a normal jackpot, and selects a normally open game at a bonus jackpot winning other than the first Has specifications.

  The invention according to claim 7 places emphasis on increasing the base of the jackpot winning probability, the lottery means (R) includes a normal jackpot lottery without entry into a special game, and the opening mode selecting means (A) The standard open game is selected at the time of the first bonus jackpot winning after the normal jackpot, and the normal open game is selected at the bonus jackpot winning other than the first bonus.

  The invention according to claim 8 is provided with a reopening restricting means (D) for restricting a function of reopening the special winning opening by passing a ball to a specific area provided in the special winning opening at the time of the limited release game in the bonus jackpot. This is to support the end of the round and the end of the so-called puncture. For example, even if a sphere passes through a specific area, it is ignored on the software, or the passage of the sphere into the specific area is blocked, and the operation of the continuous accessory operating device is forcibly ended in one round. Or, the ball passing to the specific area, which is the non-end condition of the operation of the continuous action device, is limited to an extremely short time such as 0.1 second from the opening of the big prize opening, or triggered by the ball passing to the specific area. In most cases, a lottery is performed and a hit condition is set as a weight condition, or a barrier or the like that makes it difficult to pass a ball to a specific area is provided. Alternatively, the maximum number of continuous rounds is limited to a small number such as 2 rounds.

  According to the invention of claim 1, when a limited release game is selected at the time of winning the bonus jackpot, the game shifts to a limited release game in which the big winning opening is opened in a mode that stops with few winnings without an explicit notification effect of the jackpot, When this is finished, the entry to the bonus game is notified and the game moves to the bonus game. For this reason, the player suddenly entered the privilege game after a small profit of about a small hit without recognizing the jackpot preposition, and had the impression that he could suddenly gain an advantageous gaming state, an unprecedented novelty Receive a special stimulus. When viewed from the gaming machine side, a part of the bonus jackpot can be controlled by open-release games, so the base of the jackpot winning probability can be set high and popularity can be raised.

  According to the invention described in claim 2, the opening of the grand prize opening may be completed in a short time by reducing the maximum opening time of the big prize opening or reducing the maximum number of winnings to the big prize opening during the limited opening game. it can. In addition, it is difficult to pass the ball to a specific area normally provided in the special winning opening, and the operation of the accessory continuous operation device can be terminated at an early stage. For this reason, it is possible to create a game situation far from the jackpot, and to suddenly upgrade a privilege game such as a probability change effectively to the player.

  According to the invention of claim 3, the limited open game in the bonus jackpot is about the same as the jackpot, and it is possible to give a surprise or surprising that the jackpot has been entered into the probability change game, and even the jackpot so far Can give no appeal.

  According to the fourth aspect of the present invention, when a transition to the limited release game at the time of the bonus jackpot winning is made, a pseudo non-hit effect display is displayed on the effect display device instead of the jackpot effect display. It can effectively prevent enlightenment.

  According to the fifth aspect of the present invention, it is possible to effectively impart a novel sense of gameplay that suddenly enters into a bonus game while being able to prevent the recognition of the presence of a jackpot.

  According to the sixth aspect of the invention, when the first bonus jackpot winning after the normal jackpot is won, either the normal opening game or the limited opening game is selected by a lottery according to a predetermined selection probability. The case that can be obtained suddenly can be created randomly.

  According to the invention of claim 7, since the first award game suddenly suddenly rushes and the number of balls for this first part can be reduced, the base of the jackpot winning probability can be effectively increased, and the non-privilege It becomes easy to win a jackpot at the time of a normal game and / or a bonus game.

  According to the eighth aspect of the invention, the reopening restriction means can support the end of the big hit puncture, and can suddenly more effectively impress the transition to the privilege game.

  FIG. 1 shows a pachinko gaming machine 1 to which the present invention is applied, and a game frame 10 supports a main body 11 so that the door can be opened. A front door 14 in which a glass 13 is fitted to a round window 12 is provided at an upper front portion of the main body 11, and a game board 2 (FIG. 2) is provided inside the front door 14. A lower part of the front surface of the main body 11 is provided with a receiving tray 3 for receiving a rented ball and a winning ball, a launching handle 4 of a launching device 40 for hitting a ball on the game board 2, and left and right speakers 51, 52 for producing sound effects. The tray 3 includes a ball lending button 31 for lending a ball in cooperation with a card unit (not shown) installed adjacent to the gaming machine 1, a card return button 32, and the like. The front door 14 includes decorative lamps 61 and 62, decorative LEDs 63 and 64, and various display lamps 65 and 66 such as prize ball payout.

  As shown in FIG. 2, the game board 2 includes a large guide rail 21 that divides the game area 20 and guides a ball to be launched by the launch handle 4 and a color liquid crystal display that fluctuates and stops the left, middle, and right performance symbols along with the moving image. Center display frame 22 with small special symbol display device 77 consisting of 7-segment LED that fluctuates and stops the special symbol of the two-digit number and the special symbol display device 7 of large numbers, whether to enter the probability change game as a bonus game Probability variation lottery of lottery, lottery processing including lottery lottery and starting port 9 consisting of an electric tulip that activates symbol variation based on this lottery, large winning port 8 called an attacker that opens greatly in front of a big hit, general winning port, The left and right sleeve winning openings 23 and 24, the drop winning openings 25 and 26, four windmills 27a to 27d, and left and right panel side lamps 28a and 28b are provided. That.

  Reference numeral 29 denotes an out port for discharging the out ball that missed the winning on the game board 2. Although illustration is omitted as appropriate, a large number of game nails 200 are struck on the game board 2. A specific area in which the round is continued at the time of a big hit is provided in the area of about one third inside the big winning opening 8. The number of winning balls per winning ball in the big winning opening 8 is 15, for example, and the number of other winning holes 9, 23 to 26 is 5, for example.

  The base of the jackpot winning probability is, for example, 1/300, the normal jackpot and the bonus jackpot distribution that is a bonus jackpot is, for example, 1/2, and the winning probability for the jackpot is, for example, 1/25. When entering the starting port 9, for example, a jackpot lottery random number that changes in the range of 0 to 299, a random number for random fluctuation that changes in the range of 0 to 9 and a lottery lottery that changes in the range of 0 to 24 Each random number is acquired, and if the random number for the jackpot lottery is 7, for example, the winner of the jackpot, the winner of the jackpot will be premised on. If the random number for lottery lottery is 2, for example, the winning lottery is won.

  At the time of winning the probable jackpot, either the normal opening game where the winning hole 8 is opened in a manner that allows a large number of winnings as in the case of the non-winning normal jackpot winning in the probability variation lottery, or the mode in which the winning hole 8 is stopped with few winnings Select one of the limited open games to be released with. For example, by a lottery process based on a random number for probability variation lottery that changes in the range of 0 to 9, for example, a limited open game is selected when an odd number is won, and a normal open game is selected otherwise. When a normally open game is selected, the game is shifted to a normal open game through a jackpot explicit notification effect on the effect display device 7, and when a restricted open game is selected, a limited open game without a jackpot explicit notification effect on the effect display device 7 is selected. To migrate. In any case, in the probability variation game that is a bonus game after the opening of the big winning opening 8, the winning values of the random numbers for the big hit lottery are set to six types, for example, 7, 57, 107, 157, 207, and 257, and the big hit winning probability is set. Increase to 1/50.

  In the normal opening game at the time of the big hit, the maximum opening time of the big winning opening 8 is, for example, 30 seconds, and the maximum winning number is, for example, 10 balls, and if the winning ball to the big winning opening 8 passes a specific area in this range, The operation of the continuous operating device does not end, and either the maximum opening time or the maximum number of winnings is reached and the big winning opening 8 is once closed, and then the big winning opening 8 is opened again after a predetermined interval. When there is no passing of a ball to a specific area, or after the last 16 rounds, for example, the operation of the accessory continuous operation device is finished, and the normal open game at the time of jackpot is finished. By the expiration of 16 rounds, about 2000 balls can be obtained.

  In the limited open game that can be selected at the time of a promising big hit, the maximum opening time of the big winning opening 8 is, for example, 1.5 seconds, and the maximum winning number is, for example, one ball. If the winning ball that first jumps into the grand prize opening 8 within 1.5 seconds passes the specific area, the round continues, but the winning percentage to the big prize opening 8 is approximately one third of the specific area passage rate. The low possibility of multiplying. Many punctures end in one round or at most a few rounds. Even if several rounds continue, the number of winnings is small because the maximum number of winnings in each round is suppressed. In order to support the end of the puncture in one round in this limited release game, for example, the ball passing to the specific area where the operation of the accessory continuous operation device is maintained is 0.1 second from the opening of the grand prize opening 8. It is certain to set a reopening restriction such as limiting on the software in an extremely short period of time. In the embodiment, this reopening restriction means is provided. However, it may be omitted. In the opening mode of the big winning opening 8 at the time of a small hit, the maximum opening time is 1.5 seconds and the maximum number of winnings is one ball following the limited opening game, and the round does not continue.

  FIG. 3 shows a control device for controlling the above games. The main control means M mounted on the main control board MB includes a ROM / RAM integrated main CPU (100). A count switch 8C for counting the number of winnings at the big winning opening 8, a specific area passing switch 8V for detecting the passing of a ball to a specific area in the big winning opening 8, a start opening switch 9S for detecting a winning ball at the starting opening 9, Left and right sleeve winning opening switches 23S and 24S, dropping winning opening switches 25S and 26S, a full sensor 3S for the saucer 3, and a winning ball for detecting winning balls to the left and right sleeve winning openings 23 and 24 and dropping winning openings 25 and 26, respectively. The payout-related switch PS is input. On the output side, a large winning opening / closing solenoid 8D for opening / closing the large winning opening 8, an electric chew opening / closing solenoid 9D for opening / closing an electric tulip of the start opening 9, and the like are connected. Moreover, the launching device 40 is connected.

  On the ROM / RAM of the main control means M, the lottery means R including the jackpot lottery means R1, the probability fluctuation lottery means R2, and the lottery lottery means R3 each responsible for the above jackpot lottery, probability variation lottery, and small lottery lottery, the above-mentioned lottery means R, Opening mode selection means A for selecting either a normally open game or a limited open game by sudden probability change lottery, transition effect changing means B for changing the effect on the effect display device 7 at the time of jackpot game transition according to the selection, jackpot game Benefit game notification means C composed of probability change game notification means C for notifying the subsequent entry into the probability change game and its continuation, replay at the time of the probability change big hit limit release game due to the limitation of the ball passage allowable period to the above-mentioned specific area, etc. The opening restriction means D is constructed. In addition, a condition device on the rules of the gaming machine and an accessory continuous operation device are constructed.

  The display of the effect display device 7 and the special symbol display device 77 is controlled by the display control means D mounted on the display control board DB. The sound output of the speakers 51 and 52 is controlled by sound control means F mounted on the sound control board FB. The lighting of the various lamps 61 to 66 is controlled by the lamp control means L mounted on the lamp control board LB. The winning ball payout device 30 is controlled by payout control means P mounted on the payout control board PB.

  Each of the control means D, F, L, and P on the sub side includes a ROM / RAM integrated sub CPU (201 to 204), respectively, and is composed of 8-bit parallel data b0 to b7 and a strobe signal line. It is connected to the main control means M through a one-way communication line from the means M. It is in charge of passive operation control based on a command such as a fluctuation pattern transmitted from the main control means M.

  As shown in FIG. 4, when there is a ball in the starting port 9 (S1), a big hit lottery (S2) by the big hit lottery means R1, a random fluctuation lottery (S3) by the random fluctuation lottery means R2, and a small hit lottery means R3. Through the small hitting lottery (S4), the three middle left and right effect symbols of the effect display device 7 and the two-digit special symbol of the special symbol display device 77 are changed (S5). If it is a big win (S6), the consecutive jackpot counter is incremented by 1 (S7), and even if the probability variation lottery is a win, that is, a probable big win (S8), the first time after the normal big hit when the continuous big win counter is 1 If it is the first time, the probability variation lottery is suddenly performed by the opening mode selection means A (S10).

  When the winning lottery is suddenly won (S11), the limited open game is selected as the jackpot game, and the maximum opening time and the maximum number of winnings corresponding to this are set (S12). Subsequently, the small special symbol display device 77 stops and displays the probable big hit symbols “7” and “7” (S13), but the large effect display device 7 does not have a so-called reach effect and “2 ”,“ 4 ”,“ 6 ”,“ 8 ”any three of even numbers are stopped and displayed (S14). After that, the game is shifted to the jackpot game under the limited release game without generating a jackpot congratulatory display or a fanfare sound (S15). When this limited open game is over, the winning probability of jackpot is increased to 1/50 (S16), and a message “probably changing” is issued to the effect display device 7 (S17).

  FIG. 5 (a) shows the flow of the above probability variation jackpot limit opening game. In the effect display device 7 that displays the lottery result prominently in the effect, after the stop of the even number triple display as the small hit effect display, the player enters the probability change game through a short-term limited release game. For this reason, the player has the illusion that he has suddenly entered into a probable game from a small hit. The special symbol display device 77 stops and displays the symbol combinations “7” and “7” that cause the condition device referred to in the gaming machine rules to operate. Since the player does not know which is a special symbol display device according to the rules of the gaming machine, there is little fear of winning the jackpot.

  If the continuous jackpot counter is not 1 in step S9 in FIG. 4 and the first probability variation jackpot after the regular jackpot is not reached, or if it is suddenly determined in step S11 that the probability variation lottery is not won, the normal open game is selected as the jackpot game. The maximum opening time and the maximum number of winnings corresponding to the winning prize opening 8 are set (S18), and the special symbol display device 77 is stopped and displayed with the probability variation big winning symbols “7” and “7” (S19), and the effect display device In step S20, a triple set of “3” or “7” that clearly indicates the probability variation jackpot through a reach production is stopped and displayed. Subsequently, the effect display jackpot is displayed on the effect display device 7 (S21), and a jackpot fanfare sound is output from the speakers 51 and 52 (S22). Thereafter, the game is shifted to the jackpot game under the normally open game (S23). When the normal open game is over, the winning probability of jackpot is increased to 1/50 (S24), and a message “probably changing” is issued to the effect display device 7 (S25).

  FIG. 5 (a) shows the flow of the above-mentioned probability variation jackpot normally open game. In the effect display device 7 that displays the lottery result prominently in the effect, after a set of three “7”, “7”, and “7”, which are one of the promising effect jackpots, is stopped, after a long period of normal open game Plunge into a probable game. After the player gains a large number of balls, the player is expected to win more jackpots by entering into a probable game.

  When it is determined in step S8 in FIG. 4 that the probability variation is not won, that is, a normal jackpot, the consecutive jackpot counter is cleared to 0 (S26), and a normally open game is selected as the jackpot game, and the winning prize opening 8 corresponding to this is selected. The maximum opening time and the maximum number of winnings are set (S27), the special symbol display device 77 is stopped to display the normal jackpot symbols “1” and “1” (S28), and the effect display device 7 is subjected to the reach effect and the normal jackpot is received. Three sets of “1” or “5” to be clearly displayed are stopped and displayed (S29). “1” and “1” to be stopped and displayed on the special symbol display device 77 are combinations of other symbols that cause the condition device to operate. Subsequently, a jackpot fanfare sound is output from the speakers 51 and 52 (S30), and then, the game is shifted to a jackpot game under a normally open game (S31). When this normal opening game is over, the winning probability of jackpot is returned to 1/300 of the normal (S32).

  Even if the jackpot is not won in step S6 of FIG. 4, if there is a jackpot winning (S33), the maximum opening time and the maximum number of winnings corresponding to the limited opening game as a bonus game are set (S34). Then, the special symbol display device 77 stops and displays the small hit symbols “2” and “2” (S35), and the effect display device 7 clearly indicates the small hits without the reach effect “2”, “4”, “6”. , “8”, the even number triples are stopped and displayed (S36), and a small hit game is played (S37).

  In step S33, if the small hit is not won, the special symbol display device 77 is dismissed, and non-straight numbers such as “3”, “4”, “8”, “1”, etc. are stopped and displayed as the off symbol (S38). Then, non-trio symbols such as “3”, “4”, “5”, “7”, “6”, “7”, etc., which clearly indicate the disengagement, are stopped and displayed on the effect display device 7 (S39).

  In addition, it is good also as what transfers to a uniform restriction | limiting open | release game at the time of the first chance change winning jackpot winning after a big jackpot. In addition, the limited open game may be selected by a lottery or the like according to a predetermined selection probability even when winning the probability variation big win other than the first time. The probability variation game may be continued until the jackpot is won again, or may be terminated when the predetermined number of symbol fluctuations is exceeded and returned to the normal jackpot winning probability. Furthermore, the present invention may be applied to a so-called full-probability machine that rushes into a probabilistic game whenever a jackpot is won. The effect display device 7 and the special symbol display device 77 may be replaced with other displays such as a CRT or a mechanical reel. The bonus game is used in place of or in combination with the probability variation game, shortens the symbol variation time of each display device 7 and 77, and is not a target for the big hit lottery over the upper limit of four so-called holding balls, for example. A short-time game in which the number of starting winning balls is reduced and the time efficiency of the jackpot lottery is increased may be adopted.

The perspective view of the pachinko game machine which is an example of this invention ball game machine. The front view of the game board of the same gaming machine. The block diagram of the control apparatus of the gaming machine. The principal part flowchart in the control apparatus of the gaming machine. Explanatory drawing of the normal open game and limit open game of a probability variation jackpot.

Explanation of symbols

7; Effect display device, 77; Special symbol display device, R; Lottery means A; Release mode selection means, B; Transition effect change means C; Probability change game notification means (privilege game notification means), D;

Claims (8)

In a ball game machine having a lottery means including a lottery of a bonus jackpot to enter into a bonus game that is easy to reach a big jackpot after the jackpot is opened by the jackpot,
An open mode in which either a normal open game in which a large winning opening is opened in a mode in which a large number of winnings can be obtained or a limited open game in which a large winning port is opened in a mode in which only a small number of winnings are held at the time of winning the bonus jackpot Selection means,
Transition effect changing means for shifting to a normally open game via a jackpot explicit notification effect when selecting a normally open game, and transitioning to a limited release game without a jackpot explicit notification effect when selecting a limited release game,
A bullet ball game machine provided with a bonus game notification means for notifying a rush to a bonus game based on a bonus jackpot including a limited release game.   2. The bullet ball game machine according to claim 1, wherein the limited open game is performed by shortening a maximum open time of a special winning opening and / or decreasing a maximum winning number to the special winning opening. The lottery means includes a lottery lottery to open a big winning opening other than the big hit,
The ball game machine according to claim 1 or 2, wherein the opening mode of the big winning opening at the time of a small hit and the opening mode of the big winning opening at the limited open game at the bonus bonus are set to the same level. An effect display device that displays the lottery result of the lottery means remarkably on the effect,
The ball game machine according to any one of claims 1 to 3, wherein the transition effect changing means has a specification for causing a pseudo non-hit effect display to appear on the effect display device when a restricted open game is selected when a bonus jackpot is won. The lottery means includes a lottery lottery that opens a big prize opening other than a big win, and
An effect display device that displays the lottery result of the lottery means remarkably on the effect,
The ball game machine according to claim 1 or 2, wherein the transition effect changing means has a specification for causing the effect display device to display an effect display similar to the small win when the restricted open game is selected at the time of the bonus jackpot winning. The lottery means includes a normal jackpot lottery that does not enter the bonus game,
The release mode selection means selects either a normal open game or a limited open game by a lottery according to a predetermined selection probability at the time of the first bonus jackpot winning after the normal jackpot, and a normal opening game at a bonus jackpot winning other than the first The bullet ball game machine according to any one of claims 1 to 5, having specifications to be selected. The lottery means includes a normal jackpot lottery that does not enter the bonus game,
The said release mode selection means has a specification which selects a restriction | limiting open | release game at the time of the first privilege jackpot winning after a normal jackpot, and has a specification which selects a normally open game at the time of bonus jackpot winning other than the first time. A ball game machine.   The bullet ball according to any one of claims 1 to 7, further comprising a reopening restricting means for restricting a function of reopening the grand prize opening by passing the ball to a specific area provided in the special prize opening at the time of the limited release game in the bonus bonus. Gaming machine.

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