JP3902940B2 - Game machine, program and storage medium - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a gaming machine, a program, and a recording medium that are used by being installed in a game hall such as a pachinko parlor.
[0002]
[Prior art]
Slot machines that are installed and used in amusement halls such as pachinko parlors are called pachislot machines, and given a certain value to the medal that is the game (game) medium, various medals earned by playing games Can be exchanged for a free gift. In this slot machine, the reel is driven by a stepping motor, and whether or not to win by electronic lottery based on random number sampling is determined, or if winning is determined, the type of winning combination is determined. Therefore, reel stop control is performed. The slot machine is provided with a stop button for each reel, and when the player operates this, stop control of the reel is started, but it is easy to make an electronic lottery lose or winning combination appear as described above. Stop the reel.
[0003]
In order to improve the game performance of such a slot machine, in addition to the small hits for paying a certain number of medals to the winning combination, a winning combination that gives the right to shift to a bonus game is determined. When the winning combination is elected electronically, the reel stops and the winning combination is obtained, the bonus mode is entered and the game is started until a certain number of games or a certain number of winnings are won. It becomes possible to win a prize with a higher probability than the game in the normal mode (regular bonus game). In addition, there is also a consecutive feature winning role among the winning features, and when this is obtained, a bonus game including a bonus mode (regular bonus game) 2 to 3 times can be performed (big bonus game). .
[0004]
Among the big bonus (BB) games, there are a normal bonus game (normal BB) and a bonus game for notifying the player of the winning combination using symbols and other notification means displayed on the sub reels. (Super BB). For example, when a super BB game is played, the number of medals that can be obtained is larger than in the normal BB mode, and the profit return rate to the player is increased, so the player may have a sense of expectation for the BB mode. It becomes possible.
[0005]
[Problems to be solved by the invention]
However, in the case of the gaming machine as described above, when the player is an expert, the number of medals obtained in the super BB mode and the normal BB mode does not vary greatly, but the unskilled player performed In this case, the difference in the number of medals obtained is larger than that of a skilled person. For this reason, the unskilled person has a great expectation for the super BB mode with the assist function. For example, when the BB to be executed is the normal BB mode, the winning combination that has won an internal prize increases. There is a problem that the number of medals obtained is less than that of skilled workers.
[0006]
When the super BB mode is performed, the guaranteed game period after the mode ends (the super BB mode is determined when the BB is won in this period) is set longer than the normal BB mode. There is a great expectation that the second BB win is in the super BB mode. For example, when the BB win is in the normal BB mode, there is a problem that the player's interest is somewhat lacking.
[0007]
An object of the present invention is to provide a gaming machine, a program, and a storage medium that can give a sense of expectation for the transition to the super BB mode in the case of the normal BB mode.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, the gaming machine of the present invention responds to the winning combination determining means for determining the winning combination by operating the game starting means and the operation of the reel stop operating means provided for each of the plurality of reels, Reel stop control means for controlling stop of the corresponding reel so that the symbols constituting the winning combination determined by the winning combination determining means stop on the same winning effective line, and the winning combination determining means When the game mode transition combination is determined and the symbols corresponding to the special game mode transition combination are arranged on the same winning active line, the profit grant value is larger than the game in the normal mode, and the profit grant value A symbol determination means for allowing one of two different types of special game modes to be played, and determining a combination of symbols to be stopped on the same winning line; When one of the special game modes is played, when the symbol determining means determines that the symbol combination corresponding to a specific winning combination has stopped on the same winning line, the one special game Special game mode switching means for switching the mode to the other special game mode having a different benefit-giving value is provided. In addition, with a profit-giving value, for example, the payout rate can be increased.
[0009]
In addition, the symbol combination of the specific winning combination is one symbol combination of a plurality of types of symbol combinations that have the same profit-giving value to the player and at least one of the plurality of symbols that is configured is different. Preferably there is. In addition, a chance game for deciding whether or not to shift to the other special game mode is provided in the game in the one special game mode, and the symbol combination that becomes a winning combination in this chance game is the specific winning game. By making one combination of a plurality of symbol combinations corresponding to a combination, it is possible to have game characteristics. In addition, a chance game transition lottery means for lottering whether or not to shift to the chance game is provided, and the lottery to the chance game by the chance game transition lottery means is performed in each game in the special game mode. It is possible to give a player a sense of expectation for a chance game.
[0010]
The program is determined by the winning combination determining means in response to the operation of the winning combination determining means for determining the winning combination by operating the game starting means and the reel stop operating means provided for each of the plurality of reels. Reel stop control means for controlling the corresponding reels so that the symbols constituting the winning combination stop on the same winning effective line, and the special game mode transition combination is determined by the winning combination determining means, and the special game When the symbols corresponding to the mode transition combination are arranged on the same winning active line, either one of the two special game modes having a profit-giving value larger than the game in the normal mode and different in the profit-giving value In addition to the means for shifting to the game, any one of the symbol determination means for determining a combination of symbols to be stopped on the same winning active line, and the special game mode. When the symbol determining unit determines that the symbol corresponding to a specific winning combination has stopped on the same winning line, the special game mode is set to a special value with a different profit-giving value. A special game mode switching means for switching to the game mode is caused to function on a computer.
[0011]
As the storage medium, the above-described program is stored, and the program can be read by a computer.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
As shown in FIG. 1, the slot machine 2 is provided with three modes: a normal mode, a BB mode that is shifted by obtaining a BB winning, and an RB mode that is shifted by acquiring an RB winning. Two types of BB mode are set, a super BB mode and a normal BB mode.
[0013]
In the slot machine 2, four symbol display windows 5 to 8 are provided on the front door 4 of the housing 3, and a first reel 9a, a second reel 9b, a third reel 9c, and a sub reel are provided behind each display window. 10 is rotatably incorporated. As is well known, various symbols are arranged on the outer circumference of the first to third reels 9a to 9c at a constant pitch, and when the reels are stopped, three symbols are observed per reel through the symbol display windows 5 to 7. Is done. As a result, a total of five straight pay lines combining three symbols of each reel, three horizontal lines and two diagonal lines are set. Prior to the start of the game, when one medal is inserted from the medal slot 11, one winning line in the center is five for three, three for horizontal and three for two. The winning line is activated (hereinafter, the activated winning line is referred to as a winning effective line). The first to third reels 9 a to 9 c are rotated by operating the start lever 12.
[0014]
The operation panel above the stop buttons 14a to 14c is provided with various operation buttons such as a single bet button, a MAX bet button, and a checkout button that are operated when a game is performed with medals stored (credited). ing. Since the functions of these operation buttons are well known, the details thereof are omitted. In addition, a medal tray 15 is provided in the lower part of the housing 2 and receives a payout medal paid out from the payout port 16 when a win is obtained in the game.
[0015]
FIG. 2 shows a functional block diagram of the electrical configuration of the slot machine 2. Inside the slot machine 2 are a main board 20 that controls basic operations of the slot machine 2, drive control of the sub reels 10, lamps and speakers such as LEDs that are attached to the back side of the front door 4 of the slot machine 2, etc. And a sub-board 21 for controlling the driving of the effect device 22. In the slot machine 2, an electrical signal is output only from the main board 20 side to the sub board 21 side.
[0016]
A CPU 25 and a memory 26 are attached to the main board 20, and basic operations of the slot machine 2 are controlled by the CPU 25. In addition to the control unit 25a, the CPU 25 is provided with an electronic lottery unit 27 and a winning combination determining unit 28, which determine a winning combination for each game. Thus, the control unit 25a and the electronic lottery unit 27 function as a winning combination determining unit.
[0017]
The electronic lottery unit 27 is provided with a first winning table and a second winning table in which random values are grouped according to their sizes. The first winning table is used for presence / absence of winning in the game under the normal mode, and the second winning table is used for winning / not winning in the game under the BB mode. The winning signal representing the type of winning selected by the electronic lotter 27 is sent to the winning combination determination unit 28, and the winning combination signal is fed back to the control unit 25a.
[0018]
The memory 26 is provided with a RAM area and a ROM area. The ROM area stores game execution programs and symbol tables. This symbol table is a table data in which the number of drive pulses corresponding to the rotation angle from the reference position of each reel and the symbol codes representing the symbols arranged on each reel at a constant pitch are associated with each other. It is remembered. Therefore, by monitoring the count value of the pulse counter for each reel, for example, it is possible to identify which symbol has moved on the center winning line, and to what extent the reel is further rotated. It can be predicted whether the symbol of will move on the winning line. The RAM area of the memory 26 is used for writing of setting values from the initial setting input unit 40, temporary storage and rewriting of flags and data used for each game.
[0019]
The start switch sensor 30 inputs a game start signal to the control unit 25a when the start lever 12 is operated after 1 to 3 medals are inserted. Each time the game start signal is input, the count value of the game number counter 31 is incremented by “1”. Therefore, the number of games executed in the slot machine 2 can be identified by referring to the count value of the game number counter 31.
[0020]
In response to the game start signal, the control unit 25a of the CPU 25 rotates the first to third reels 9a to 9c based on the game execution program stored in the ROM area of the memory 26 and starts the game process. The reel drive controller 32 controls the drive and stop of each reel. Each reel is fixed to a drive shaft of an individual stepping motor 33a to 33c, and each reel is controlled by controlling the driving of each stepping motor 33a to 33c.
[0021]
Since the stepping motors 33a to 33c rotate at a rotation angle corresponding to the number of supplied drive pulses, the CPU 25 controls the rotation angle of the first to third reels 9a to 9c by controlling the number of supplied drive pulses. The stop position of the reel can be determined by stopping the supply of the drive pulse. Each reel is integrally formed with reflection signal portions 34a to 34c at the reference position, and the photosensors 35a to 35c photoelectrically detect the passage of each reflection signal portion for each rotation. Detection signals from the photosensors 35a to 35c are input to the control unit 25a of the CPU 25, and reset processing is performed.
[0022]
A pulse counter for each stepping motor is provided inside the control unit 25a, and counts the number of drive pulses supplied to each stepping motor. Then, the count value of the corresponding pulse counter is cleared based on the index signals from the photosensors 35a to 35c. Therefore, the number of drive pulses corresponding to the rotation angle within one rotation of each reel is stored in each pulse counter while being sequentially updated. As a result, the control unit 25a can determine the design of each reel that passes on the winning effective line or stops on the winning effective line by the output signals of the photosensors 35a to 35c and the built-in pulse counter. The control unit 25a also functions as a symbol determination unit.
[0023]
Stop switch sensors are provided inside the stop buttons 14a to 14c. When each stop button is pressed, a stop signal for each reel is output from each stop switch sensor to the CPU 25. The start lever 12 is operated to start the rotation of all reels. When these rotations reach a steady speed of about 80 RPM, the operation of the stop buttons 14a to 14c is validated. Thereafter, by operating these, stop control of the corresponding first to third reels 9a to 9c is started, and after operating the stop button, the corresponding reels are stopped within 190 msec.
[0024]
The medal sensor 36 detects an appropriate medal inserted from the medal slot 11 and inputs it to the control unit 25a. A selector is incorporated in the back of the medal insertion slot 11 and an inappropriate medal is discharged to the medal tray 15. Further, when a selector inserts a medal at an inappropriate timing, for example, a medal that is inserted in the middle of a game or while various operation buttons are pressed without passing through the medal sensor 36. It is discharged to the medal tray 15. The medal sensor 36 outputs to the CPU 25 the number of 1-3 medals inserted prior to the start of one game. Based on this, the control unit 25a of the CPU 25 determines the number of activated pay lines. The medal sensor 36 adds up and counts the number of medals betted each time the game is started. The number of credits is counted by another credit medal counter (not shown).
[0025]
The medal hopper 37 pays out a prescribed number of payout medals to the medal tray 15 when the winning of the game results, or adds the prescribed number to the credit counter. A payout table in which the number of payout medals is determined for each type of winning combination is stored in the ROM area of the memory 26, and the control unit 25a of the CPU 25 reads this to drive the medal hopper 37.
[0026]
The initial setting input unit 40 is provided in the housing 3 together with the power switch, and can be operated with the front door 4 opened. When the manager of the game hall opens the front door 4 and turns on the power switch for the operation of the slot machine 2, the initial setting input unit 40 is appropriately operated, for example, to change the payout rate, etc. Initial settings can be made. Note that changing the payout rate can be easily handled by adjusting the group assignment in the winning table.
[0027]
The sub board 21 is provided with a CPU 45, a memory 46, and a reel drive controller 47. The CPU 45 includes a control unit 45a, a distribution lottery unit 49, and a chance game transition lottery unit 50. The memory 46 is provided with a RAM / ROM area, and an effect program corresponding to the winning combination and a reel driving program for the sub reel 10 are stored in the ROM area. Although details will be described later, when the upgrade is confirmed in the upgrade chance game, the control unit 45a receives a winning signal from the CPU 25 on the main board 20 side and shifts from the normal BB mode to the super BB mode. Also functions as a special game mode switching means.
[0028]
The sub reel 10 is rotated via a stepping motor by driving of the reel drive controller 47. The sub reel 10 is rotated when a winning combination signal is transmitted from the CPU 25 on the main board 20 side to the CPU 45 on the sub board 21 side and the winning combination signal is BB winning or the like. The symbol of the sub reel 10 is displayed in the symbol display window 8, and the reflected signal portion 10 a formed on the sub reel 10 is monitored by the photosensor 51 as in the first to third reels 9 a to 9 c, Stop control is performed so that the corresponding symbol is displayed on the symbol display window 8.
[0029]
The BB sorting lottery unit 49 receives the BB winning signal from the control unit 45a of the CPU 45 when the winning combination determining unit 28 wins a BB, and determines the BB form to be performed in the BB winning, that is, the super BB or the normal BB. A lottery to determine which BB mode is to be performed is performed. The lottery result in the BB sorting lottery unit 49 is stored in the RAM area of the memory 46. For example, when the super BB flag is stored in the memory 46, the control unit 45a receives a winning combination signal from the CPU 25 on the main board 20 side, and controls rotation / stop of the sub reel 10 every time the game is started.
[0030]
The chance game transition lottery unit 50 includes an electronic lottery unit and a probability table, and performs a lottery to determine whether or not to shift to the upgrade chance game in the general game (number of games: 30 games) in the normal BB mode. In addition, in the transition lottery to the upgrade chance game, the winning combination determined by the winning combination determining unit 28 is, for example, 15 combinations (in the case of this embodiment, “replay”-“replay”-“7”, “replay "-" Replay "-" BAR "). Further, the probability table built in the lottery unit 50 after the chance game stores, for example, the number of games of the general game under the BB mode and the corresponding winning probability as table data. A transfer lottery is performed using this probability table. Thereby, the control part 45a and the chance game and subsequent lottery part 50 function as a chance game lottery means. The winning probability in the probability table is changed according to the number of games. However, the present invention is not limited to this. For example, the winning probability may be fixed or set as appropriate regardless of the number of games.
[0031]
As described above, the upgrade chance game is selectively played in the normal game in the normal BB mode. In this chance game, a small combination having the same payout combination and a combination of a plurality of symbols (for example, 15 small combinations, the combination of symbols is “replay”-“replay”-“7”, “replay”-“replay” -A game that determines whether or not to shift from the normal BB mode to the super BB mode in the two-choice lottery of "BAR"). For example, "Replay"-"Replay"-"7" Only when they are aligned, the normal BB mode is shifted to the super BB mode. Note that the content of the upgrade chance game is not limited to the above content. For example, the reel stop control is set to no reel control, and the player presses the “bell”-“bell”-“bell”, etc. The transition to the super BB mode may be made only when a predetermined winning combination is stopped on the same winning line.
[0032]
Next, the operation of the present embodiment will be described with reference to the flowchart of FIG. When 1 to 3 medals are inserted prior to the start of the game, the number of medals is counted by the medal sensor 36. Thereafter, when the start lever 12 is pressed, a game start signal is input to the control unit 25a, and the count value of the game number counter 31 is incremented by “1”. In addition, when the game start signal is input, the electronic lottery unit 27 samples a random number, and the type of winning combination is determined by referring to the value in the first winning table. At the same time, the control unit 25a operates the reel drive controller 32 to rotate the first to third reels 9a to 9c all at once.
[0033]
At this time, the control unit 25 a of the CPU 25 outputs a winning combination signal to the CPU 45 of the sub-board 21. In the control unit 45a, an effect is produced by the effect device 22 in accordance with the winning combination signal. When the winning combination determining unit 28 wins BB, the control unit 25a of the main board 20 records a BB winning flag in the RAM area of the memory 26. At the same time, the control unit 25 a of the main board 20 outputs a BB winning signal to the CPU 45 of the sub board 21.
[0034]
In the sub-board 21, the control unit 25a outputs a lottery start signal to the BB sorting lottery unit 49 in response to the BB winning signal from the main board 20 side. In response to this, the BB sorting lottery unit 49 sorts the type of BB mode (normal BB or super BB) when the mode is shifted to the BB mode. Then, the type of the BB mode determined by the distribution lottery is recorded in the RAM area of the memory 46.
[0035]
When “7”-“7”-“7”, which is the BB mode transition combination, are aligned on the same winning line by operating the first to third stop buttons 14a to 14c, the control on the sub-board 21 side is performed. The unit 45a rotates the sub reel 10 and refers to the type of BB stored in the memory 46, and stops so as to display either “Super BB” or “Normal BB” on the symbol display window 8. Let Thereby, the player is notified whether the BB mode is the super BB mode or the normal BB mode. Then, a predetermined number of medals are paid out.
[0036]
For example, in the super BB mode, when a small combination is won, the first to third reels a to c start rotating, and at the same time, a small combination picture corresponding to the small combination winning that the sub reel 10 has won internally is displayed. . Thereby, the player can perceive the small role patterns to be arranged before operating the stop buttons 14a to 14c, and almost always by operating the stop buttons 14a to 14c while observing the pattern during reel rotation. In this case, when the reels are stopped, it is possible to align the small character designs.
[0037]
On the other hand, in the normal BB mode, even if the small role is in the state of winning an internal prize, the small role picture is not displayed by the sub reel 10, and the player stops each reel depending on intuition, and has a plurality of types of small roles. You must select one of them and align it. For this reason, even if a small role wins an internal prize, it becomes difficult to win the prize. As a result, the difference in the number of acquired medals becomes very large between the super BB mode and the normal BB mode. Therefore, it is a great concern for the player whether the obtained BB winning is a super BB winning or a normal BB winning.
[0038]
In any of the BB modes, the super BB mode and the normal BB mode, when the RB mode can be played up to 3 times and the general game under the BB mode can be played up to 30 times, and when any of the limited number of times is reached Then, the BB mode ends. In the RB mode, the player can win up to 8 times or play the game up to 12 times, and the game ends when either of the limit times is reached. In the super BB mode and the normal BB mode, the winning combination lottery is performed using the second probability table.
[0039]
Further, when 15 small roles are won in the normal game in the normal BB mode, the CPU 25 of the main board 20 outputs a winning combination signal to the CPU 45 of the sub-board 21. In response to the winning combination signal, the control unit 45a outputs a lottery start signal to the chance game transition lottery unit 50. In response to this lottery start signal, the chance game transition lottery unit 50 takes out a winning probability corresponding to the number of games from the probability table and performs a lottery to determine whether or not to shift to the upgrade chance game. For example, when winning the transition lottery, the sub reel 10 rotates and stops so that the symbol “CHANCE” is displayed on the symbol display window 8. The player can confirm that the game has shifted to the upgrade chance game by displaying the symbol “CHANCE”.
[0040]
In a game that has become an upgrade chance game, two combinations of 15 small roles, “Replay” — “Replay” — “7” or “Replay” — “Replay” — “BAR” are combined with a winning line. Align on top. At this time, if the winning combination determination unit 28 determines that “Replay”-“Replay”-“7” is a symbol combination to be upgraded, for example, if this symbol combination is aligned on the same winning active line, it is super The upgrade to the BB mode is confirmed, and the game in the super BB mode is started after the next game.
[0041]
On the other hand, when the combination of “Replay”-“Replay”-“7”, which is two choices of 15 small roles, cannot be aligned on the winning line (“Replay”-“Replay”-“BAR” (Including cases where they are aligned), the upgrade fails, and the game in the normal BB mode continues. This upgrade chance game is performed every time the 15 winning combinations are won by the winning combination determination unit 28 and the transition to the upgrade chance game is determined by the chance game transfer lottery unit 50.
[0042]
When the normal BB mode and the super BB mode are finished, the mode is changed to the normal mode. In the normal mode immediately after the end of the BB mode, a guaranteed game section is provided, and the guaranteed game section when the super BB mode is performed is, for example, 150 games, and in the normal BB mode, for example, 50 games. If the BB mode transition combination can be won during the guaranteed game section, the super BB mode is confirmed. Note that, when the upgrade chance game is won, the game is played in the super BB mode, so the guaranteed game period after the end of the BB mode is 150 games. This increases the player's expectation for the upgrade chance game, and since it is not known when the general game in the BB mode will shift to the upgrade chance game, the player plays the game with some kind of tension. It can be carried out.
[0043]
Further, a program for executing the procedures and functions shown in the functional block diagram of FIG. 2 and the flowchart of FIG. 3 by the control device of the slot machine may be stored in a recording medium such as a flexible disk or an optical disk. As shown in FIG. 4, in the storage medium 55, when one of the special game modes is being played, if the symbols corresponding to a specific winning combination are aligned on the same winning line, Special game mode switching means for switching the special game mode to a special game mode having a different benefit-giving value is stored. The program is installed in the slot machine 56, or the game is executed with the storage medium 55 loaded in the reader 57. Reference numeral 58 denotes a CPU, and reference numeral 59 denotes a memory.
[0044]
Further, the program can be distributed to the slot machine using the Internet instead of installing using the storage medium. In addition, by adding a program that executes basic operations of the slot machine, such as a function for starting a game, a function for turning a reel, and a function for stopping a reel, to the above program, the program is installed on a personal computer and the slot is displayed on a monitor. Can play machine games.
[0045]
In this embodiment, the upgrade chance game is performed as a general game in the normal BB mode, but a downgrade game may be performed in the super BB mode. By performing the downgrade game, it is possible to give a tension to the player in the game in the super BB mode.
[0046]
In this embodiment, in the upgrade chance game, two options of the same payout small role (“Replay” — “Replay” — “7” and “Replay” — “Replay” — “BAR”) are selected. It may be more than an option. In this case, the same payout is composed of, for example, “Replay”-“Replay”-“Replay”, “Replay”-“Replay”-“7” and “Replay”-“Replay”-“BAR”, The symbol combination is one winning flag, and the remaining two symbol combinations are the same winning flag. As a result, the combination of symbols stopped on the same winning active line is determined by the control unit, so that the symbol combination that is confirmed to be upgraded in the upgrade chance game can be detected.
[0047]
【The invention's effect】
As described above, according to the gaming machine of the present invention, in the game of either one of the symbol determination means for determining the combination of symbols to be stopped on the same winning effective line and the special game mode, the symbol determination Special game that switches one special game mode to another special game mode with a different profit-giving value when it is determined by the means that the symbol combination corresponding to a specific winning combination has stopped on the same winning active line Since the mode switching means is provided, it is possible to give the player a sense of expectation that, for example, even in a special game mode having a low profit-giving value, the game can be shifted to a special game mode having a high profit-giving value.
[0048]
Since the symbol combination of the specific winning combination is one symbol combination of a plurality of types of symbol combinations having the same profit-giving value to the player and at least one of the plurality of symbols configured is different. The game performance can be improved only by using the conventional winning combination.
[0049]
In addition, a game in a certain special game mode is provided with a chance game that determines whether or not to shift to the special game mode having a different profit level, and the symbol combination that becomes a winning combination in this chance game is the specific winning game. Since it is one combination of a plurality of symbol combinations corresponding to a combination, a new game characteristic can be added to the game in the special game mode. Furthermore, a chance game transition lottery means for lottering whether or not to shift to the chance game is provided, and the transition lottery to the chance game by the chance game transition lottery means is performed in each game in the special game mode. Therefore, for example, when performing a special game mode with a low profit-giving value, it is possible to give the player a sense of expectation and tension for this chance game.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an external appearance of a slot machine embodying the present invention.
FIG. 2 is a functional block diagram showing an electrical configuration of the slot machine shown in FIG.
FIG. 3 is a flowchart showing a game flow.
FIG. 4 is an explanatory diagram when a recording medium storing a program is installed in a slot machine.
[Explanation of symbols]
2 slot machine
10 Sub reel
20 Main board
21 Sub-board
25, 45 CPU
26,46 memory
49 BB sorting lottery
50 chance game transfer lottery

Claims (6)

The symbols constituting the winning combination determined by the winning combination determining means in response to the winning combination determining means for determining the winning combination by operation of the game starting means and the operation of the reel stop operating means provided for each of the plurality of reels. Reel stop control means for performing stop control of the corresponding reel so as to stop on the same winning line,
When the special game mode transition combination is determined by the winning combination determination means, and the symbols corresponding to the special game mode transition combination are arranged on the same winning active line, the profit-giving value is larger than the game in the normal mode. In addition, in a gaming machine that enables a game in any one of the two types of special game modes having different profit-giving values,
The symbol determination means for determining a combination of symbols to be stopped on the same winning line, and the symbol combination corresponding to a specific winning combination in the symbol determination means in the game of any one of the special game modes. Special game mode switching means is provided for switching the one special game mode to the other special game mode having a different profit-giving value when it is determined that the game is stopped on the same winning active line. Gaming machine. The symbol combination of the specific winning combination is one symbol combination of a plurality of types of symbol combinations having the same profit-giving value to the player and at least one of a plurality of symbols configured is different. The gaming machine according to claim 1. The game in the one special game mode is provided with a chance game that determines whether or not to shift to the other special game mode, and the symbol combination that becomes a winning combination in this chance game corresponds to the specific winning combination The gaming machine according to claim 2, wherein the gaming machine is a combination of a plurality of symbol combinations. Chance game transition lottery means for lottering whether or not to shift to the chance game is provided, and the transition lottery to the chance game by the chance game transition lottery means is performed in each game in the special game mode. The gaming machine according to claim 3. In response to the operation of the winning combination determining means for determining the winning combination by operation of the game starting means and the reel stop operating means provided for each of the plurality of reels, the symbols constituting the winning combination determined by the winning combination determining means The special game mode transition combination is determined by the reel stop control means for controlling the corresponding reels to stop on the same winning line, and the winning combination determination means, and corresponds to the special game mode transition combination. Means for shifting to one of the two types of special game modes having a profit-giving value larger than that of the game in the normal mode and different in the profit-giving value when the symbols are arranged on the same winning effective line In addition to the symbol determination means for determining a combination of symbols to be stopped on the same winning effective line, and in the case of any one of the special game modes, the symbol determination Special game that switches one special game mode to another special game mode with a different profit-giving value when it is determined by the means that the symbol combination corresponding to a specific winning combination has stopped on the same winning active line A program for causing a computer to function as mode switching means. A storage medium in which the program according to claim 5 is stored and the program can be read by a computer.

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