JP2003000945A - Game program - Google Patents

Abstract

(57) [Summary] [PROBLEMS] Conventionally, a player of a game by a game program cannot know a cash amount at a desired cash rate, and simulates a cash amount at each game store having a different cash rate. I couldn't fully enjoy the game because I couldn't. SOLUTION: A cashing rate setting changing function 33 changes a cashing rate of a pachinko ball to a value desired by a player, and a cashing amount calculation function 34 changes a cashing amount by a cashing rate setting changing function 33. Calculated with the cash rate. Then, the display function 35 displays the converted amount calculated by the converted amount calculation function 34 on the screen 1a. Accordingly, the redemption amount at the predetermined redemption rate once displayed on the screen 1a is changed to the redemption amount at a different redemption rate by the player's operation on the redemption rate setting change function 33 and displayed on the screen 1a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a game program for playing a game using a game medium and executing a game of a gaming machine for cashing the game medium acquired in the game at a predetermined cash rate on a screen. Is.

[0002]

2. Description of the Related Art Conventionally, as a game program of this kind, for example, a game of a game machine such as a pachinko machine or a slot machine installed in a game shop is simulated on a screen of a home game machine or a personal computer. There is something to do. This type of game program is a ROM (read only memory) or CD (compact disc) RO
It is stored in M or the like.

For example, in the case of a pachinko machine, at a game shop,
A player borrows a predetermined number of pachinko balls at a predetermined amount, a pachinko game is played using the borrowed pachinko balls, and the acquired pachinko balls are redeemed at a predetermined cash conversion rate. At home, this pachinko game is simulated by a game program on the screen of a home game machine or the like.
Then, the pachinko balls acquired by the player in the pachinko game on this screen are also redeemed for cash at a predetermined cash rate, and the redemption amount is displayed on the screen.

[0004]

However, in the above-mentioned conventional game program, the above-mentioned redemption amount displayed on the screen of the home-use game machine, etc. is displayed only at the predetermined redemption rate. It was not possible to change the cash amount displayed on the screen to a cash amount with a different cash rate. Therefore, conventionally, a player of a game using a game program cannot know the amount of money to be exchanged at a desired exchange rate, and cannot simulate the amount of exchange at each amusement store with a different exchange rate. I didn't enjoy it enough.

[0005]

The present invention has been made to solve such a problem, and is a game in which a game is played using a game medium and the game medium obtained in the game is cashed at a predetermined cash rate. Game execution function for simulating the game of the machine on the screen, a game data storage function for storing game data generated as the game executed by this game execution function, and a game execution function The change rate setting change function for changing the change rate of the game medium in the game to the desired value by the player by the operation of the player, and the game medium acquired by the player stored as the game data by the game data storage function. A cash amount calculation function that calculates the cash amount that has been cashed at the cash rate that has been changed by the cash rate setting change function, and that calculated by this cash amount calculation function And a display function for displaying the amount of money on the screen was made to have the game program.

According to this structure, the cash exchange rate setting change function changes the cash exchange rate of the game medium to a value desired by the player, and the cash exchange rate calculation function changes the cash exchange rate setting change function. It is calculated by the exchange rate. Then, the display function displays the redemption amount calculated by the redemption amount calculation function on the screen. Therefore, the cash amount at the predetermined cash rate once displayed on the screen is changed to a cash amount at a different cash rate by the operation of the player with respect to the cash rate setting changing function, and is displayed on the screen.

The present invention also has a game data storage function,
The player has a function of storing the game medium used for the game as game data, and the exchange amount calculation function is the exchange rate set and changed by the exchange rate setting change function for this game medium used by the player. The present invention is characterized in that it has a function of calculating the converted investment amount and a balance amount of the investment amount and the converted amount, and the display function has a function of displaying the investment amount and the balance amount on a screen.

According to this configuration, the game data storage function stores the game medium used by the player for the game, and the exchange amount calculation function allows the game medium used by the player for the game to be changed for the exchange rate setting. The amount of money is converted into the investment amount at the conversion rate changed by, and the balance between the amount of investment and the amount of conversion is calculated. Then, the display function displays on the screen the redemption amount, the investment amount, and the balance amount calculated by the redemption amount calculation function. Therefore, the cash amount, investment amount and income and expenditure at the predetermined cash rate once displayed on the screen differ depending on the player's operation of the cash rate setting change function. Is changed to and displayed on the screen.

Further, according to the present invention, the game execution function has a function of simulating each game for a plurality of types of gaming machines on the screen, and the game data storage function is for each of a plurality of types of games. It has a function to store data, and the cash amount calculation function has a function to calculate the amount of money that the game media has been cashed for each of a plurality of models at the cash rate changed by the cash rate setting change function. However, it has a function of displaying the amount of money calculated by the conversion amount calculation function on the screen for each of a plurality of models.

According to this configuration, the game data storage function stores game data for each of a plurality of models, and the exchange amount calculation function causes the plurality of models to be exchanged at the exchange rate set by the exchange rate setting change function. The amount of money for the game medium is calculated every time. Then, the display function displays the amount of money calculated by the exchange amount calculation function on the screen for each of the plurality of models. Therefore, the amount of money at the predetermined cash rate for each model once displayed on the screen is changed to the amount of money at various different cash rates for each model by the operation of the player for the cash rate setting change function. Displayed on the screen.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an embodiment of a game program according to the present invention will be described.

FIG. 1A is a perspective view showing the configuration of a game system in which a game is played using the game program according to this embodiment.

This game system comprises a home-use game machine 2 connected to a television 1 having a screen 1a. The home-use game machine 2 comprises a game machine body 2a and a controller 2b operated by a player, and a CD-ROM in which the game program according to the present embodiment is recorded is detachably stored in the game machine body 2a. Further, a flash memory 3 for storing game data during a game using a game program is removably inserted into the game machine body 2a.

FIG. 2B is an enlarged view of the controller 2b. On the left side of the operation surface of the controller 2b, a direction key 11 which is operated by the player in the up, down, left and right directions is provided. Further, a select button 12 and a start button 13 are provided in the center of the operation surface, and a Δ button 14, a □ button 15, a ○ button 16 and a × button 17 are provided on the right side of the operation surface.

FIG. 2 is a circuit block diagram showing an outline of the overall circuit configuration of the above game system.

CPU (Central Processing Unit) 21, ROM
A (read-only memory) 22 and a RAM (readable / writable memory) 23 are built in the game machine main body 2a,
The ROM 22 and the RAM 23 are connected to the CPU 21. The ROM 22 is the above-mentioned CD-ROM stored in the game machine main body 2a, and stores the game program according to the present embodiment. The game program according to the present embodiment is for causing a pachinko game of a pachinko machine installed in a game store to be simulated.
The RAM 23 is used as a working memory for temporary storage when the game program is executed, and the game data is also temporarily stored in the RAM 23.

The flash memory 3 described above is also the CPU 2
1, the CPU 21 stores game data in the flash memory 3. The controller 2b and the screen 1a of the television 1 described above are also connected to the CPU 21. A control signal generated by operating the direction key 11 of the controller 2b and the buttons 12 to 17 is transmitted to the CPU 21, and the control operation of the CPU 21 is determined by the transmitted control signal.
The CPU 21 also generates a display control signal based on this control signal and outputs it to the screen 1a of the television 1.
An image according to the display control signal is displayed on the screen 1a.

FIG. 3 is a functional block diagram showing an outline of the functions of the game program according to this embodiment. Each function is realized by the CPU 21 controlling peripheral circuits according to the procedure of the game program.

The game program according to the present embodiment is a game in which a game of a pachinko machine for playing a game using a pachinko ball and cashing the pachinko ball acquired in the game at a predetermined cash conversion rate is simulated on the screen 1a. Execution function 3
Have one. The game data generated with the progress of the game executed by the game execution function 31 is stored in the RAM 23 or the flash memory 3 by the game data storage function 32. In addition, cash exchange rate setting change function 3
3 sets and changes the cash exchange rate of the pachinko ball in the game executed by the game execution function 31 to a value desired by the player by the operation of the player. Cash amount calculation function 34
Calculates a redemption amount by converting a pachinko ball acquired by the player, which is stored as game data by the game data storage function 32, into a cash exchange rate set and changed by the exchange rate setting change function 33. The display function 35 displays the redemption amount calculated by the redemption amount calculation function 34 on the screen 1a.

The game data storage function 32 according to the present embodiment has a function of storing the pachinko ball used by the player in the game as game data. Cash amount calculation function 3
4 calculates the investment amount of this pachinko ball used by the player for the game at the exchange rate set by the exchange rate setting change function 33, and the balance between this investment amount and the above exchange amount. Have a function. The display function 35 is
It has a function of displaying the investment amount and the balance amount on the screen 1a.

Furthermore, the above-mentioned game execution function 31 according to the present embodiment has a function of simulating each game for a plurality of pachinko machine models on the screen 1a, and the game data storage function 32 comprises a plurality of game data storage functions 32. Has a function of storing game data for each model. Furthermore, the cash amount calculation function 34
Has a function of calculating the amount of money converted into a pachinko ball for each of a plurality of models with the money conversion rate set by the money conversion rate setting change function 33. Further, the display function 33 has a function of displaying the amount of money calculated by the exchange amount calculation function 34 on the screen 1a for each of a plurality of models.

Next, a game using the game program according to the present embodiment having the above configuration will be described. 4, 5 and 6 show the screen 1 of the TV 1 during this game.
The image displayed on a is shown.

When the CD-ROM in which the game program according to the present embodiment is recorded is set in the game machine main body 2a, the title screen shown in FIG. 4A is displayed on the screen 1a of the television 1. In this state, the player uses the controller 2
When the start button 13 of b is pressed, a control signal corresponding to the operation of the start button 13 is transmitted to the CPU 21. When the CPU 21 receives this control signal, the CPU 21 displays the image shown in FIG. In this image, messages that guide the functions prepared in this game program, such as "real machine strategy dojo", "small room of XXX", and "option" are displayed.

The player uses the direction key 1 on the controller 2b.
1 is operated in the vertical direction to move the highlighted display portion indicated by a frame in the figure, and move the highlighted display portion to a desired function. Then, in this state, the ○ button 1 of the controller 2b
When 6 is pressed, the function of the highlighted display portion is executed by the CPU 21. For example, if the player presses the ○ button 16 while the message of “real machine capture dojo” is highlighted,
The image shown in FIG. 3C appears on the screen 1a. In this image, more detailed functions of the selected "real machine strategy dojo" are displayed as messages "real machine strategy", "beginner's course", "data center", "data comparison", and "leave dojo".

The player again operates the direction key 11 of the controller 2b in the vertical direction to move the highlighted display portion indicated by a frame in the figure, and move the highlighted display portion to a desired function. Then, similarly, the ○ button 1 of the controller 2b
When 6 is pressed, the function of the highlighted display portion is executed by the CPU 21. For example, when the player presses the O button 16 in a state where the message "real machine strategy" is highlighted, the image shown in Fig. 1D appears on the screen 1a. In this image, the player is asked which of the 6 types of "model 1" to "model 6" to play the game with respect to the selected "real machine strategy".

In response to this inquiry, the player similarly operates the direction keys 11 of the controller 2b in the vertical direction to move the highlighted display portion indicated by a frame in the figure, and move the highlighted display portion to a desired model. . And the controller 2b
When the ○ button 16 of is pressed, the target model of the game is determined to be the model of the highlighted portion. For example, the player is "model 1"
When the ○ button 16 is pressed with the part highlighted,
On the screen 1a, after the performance display screen (not shown) of the pachinko machine such as the jackpot winning probability of "model 1" appears, the image shown in FIG. 5 appears. This image is an image simulating a game board of an actual pachinko machine installed in a game shop.

The game board 41 has a controller 2b for the player.
The pachinko ball 42 is driven according to the operation of. Similar to an actual game store, the pachinko balls 42 are simulated by the player to pay a predetermined amount of money and the player simulatedly borrows a predetermined number. This pachinko game is played by the game execution mechanism 31 of the CPU 21, and the pachinko ball 42 is also borrowed under the control of the CPU 21 according to the operation of the controller 2b by the player. A symbol display device 43 that variably displays special symbols is provided in the substantially center of the game board 41, and a start winning device 44 is provided below the symbol display device 43.
Further, a general winning opening 45 is provided on the left and right of the starting winning device 44, and a large winning opening 4 is provided below the starting winning device 44.
6 is provided.

Pachinko balls 4 flowing down the board surface of the game board 41
When 2 wins in the general winning opening 45, a predetermined number of prize balls are paid out to the player. Further, when the pachinko ball 42 is won in the starting winning device 44, the special symbol is variably displayed on the symbol display device 43, and the special symbol game is started as a variable display game. The variable display of the special symbols is carried out by cyclically moving each of three symbol columns (not shown) composed of a left symbol column, a middle symbol column and a right symbol column at a constant speed.
Each symbol row that is cyclically moving at a constant speed is stopped and displayed at a predetermined timing in the order of the left symbol row, the right symbol row, and the middle symbol row. When all symbols are stopped and displayed and the same symbol is displayed in each symbol row, a big hit occurs and a big hit game is performed. In the jackpot game, the large winning opening 46 opens and a large amount of pachinko balls 42 flowing down the board surface of the game board 42 wins.
The player can get a lot of prize balls. Further, if all the symbols stopped and displayed are not aligned in the same symbol, the game is lost and the special symbol game ends.

The number of pachinko balls acquired by the player while playing such a pachinko game, the number of pachinko balls purchased by the player, that is, the number of pachinko balls used in the game, etc.
It is temporarily stored as game data in the RAM 23 by the game data storage function 32 of U21. Also, during the pachinko game, the player pushes the X button 17 on the controller 2b.
When is pressed, the image shown in FIG. 6A appears on the screen 1a of the television 1 instead of the simulated display of the game board of the pachinko machine. In this image, "Display Settings", "Convenient Functions", "Data Analysis", "System Settings", and "Leave Off"
Is displayed. Also in this image, the player operates the direction keys 11 of the controller 2b in the up-down direction to move the reverse display portion indicated by the frame in the figure to a desired function. Then, in this state, ○ of the controller 2b
When the button 16 is operated, the highlighted function is
21.

For example, when finishing today's game,
The player selects the "system setting" function, and then the same figure (b)
The image shown in is displayed on the screen 1a. This image is an image for storing data such as the number of acquired pachinko balls and the number of used pachinko balls temporarily stored in the RAM 23 in the above-mentioned pachinko game. Data storage is performed for each model from model 1 to model 6. For example, as for the data of the model 1, when the player operates the direction keys 11 up and down, "1. model 1" is highlighted, and the operation of the ○ button 14 determines the data, which corresponds to the model 1 of the flash memory 3. It is saved in the memory area.

Further, when the player wants to know how much money is currently earned by the pachinko game, he / she displays the image shown in FIG. 4 (c) on the screen 1a, and the direction keys 11 and ◯ of the controller 2b. The "data comparison" function is selected by operating the button 16. FIG. 6 (c)
Is an image that appears on the screen 1a by this selection. In this image, a cash conversion rate and a grade list for each model are displayed.

The investment amount in the result list is calculated by the conversion amount calculation function 34 of the CPU 21 based on the number of used pachinko balls read from the RAM 23 by the CPU 21 and the conversion ratio currently displayed on the screen 1a. On the screen 1a, the display function 35 of the CPU 21 causes the model 1 to cost 1,500 yen. For model 2, it is 3,700 yen. The investment amount of is displayed. Further, the redemption amount in the result list is calculated by the redemption amount calculation function 34 of the CPU 21 based on the number of acquired pachinko balls read from the RAM 23 by the CPU 21 and the redemption rate currently displayed on the screen 1a. On the screen 1a, the display function 35 of the CPU 21 causes the model 1 to cost ¥ 800. , For model 2 ¥
4,200. The redemption amount of is displayed. The balance amount in the result list is the difference between the investment amount and the exchange amount displayed on the screen, and the exchange amount calculation function 34 of the CPU 21.
Calculated by On the screen 1a, for the model 1,-¥ 700. , + ¥ 500 for model 2. The income and expenditure amount of is displayed.

The cash conversion rate displayed on the screen is calculated by the CPU2.
The cash conversion rate setting changing function 33 of 1 changes the setting to a value desired by the player. In other words, the cash conversion rate displayed as ¥ 2.5 in the figure is ¥ 2.6, ¥ 2.2, by the player operating the direction key 11 of the controller 2b upward.
7, ¥ 2.8, etc., and by operating the direction key 11 downwards, ¥ 2.4, ¥ 2.3, ¥ 2.2. The investment amount, the redemption amount, and the income and expenditure amount in the grade list are changed every time the exchange rate setting is changed.
The value is calculated again and is changed at any time to the value at the cash conversion rate currently displayed on the screen 1a.

As described above, according to the game program of the present embodiment, the cash exchange rate setting change function 33 sets and changes the cash exchange rate of the pachinko ball to a value desired by the player, and the cash exchange rate calculation function 34 changes the exchange amount. Is calculated with the cash exchange rate whose setting has been changed by the cash exchange rate setting change function 33. Then, the display function 35 displays the redemption amount calculated by the redemption amount calculation function 34 on the screen 1a. Therefore, the cash amount at the predetermined cash rate once displayed on the screen 1a is changed to a cash amount at a different cash rate by the player's operation of the cash rate setting change function 33, and is displayed on the screen 1a. Therefore, the player of the game can know the cash exchange amount at the desired cash exchange rate, and can simulate the cash exchange amount at each amusement store having a different cash exchange rate, and can fully enjoy the game.

In the present embodiment, the game data storage function 32 stores the pachinko balls used by the player in the game. Further, the pachinko ball used by the player in the game is converted into an investment amount by the exchange amount calculation function 34 at the exchange rate set by the exchange rate setting change function 33, and the investment amount and the exchange amount are exchanged. The balance amount of is calculated. Then, the display function 35 displays the exchange amount, the investment amount, and the income and expenditure amount calculated by the exchange amount calculating function 34 on the screen 1a. Therefore, the exchange amount, the investment amount, and the income and expenditure amount at the predetermined exchange rate once displayed on the screen 1a vary depending on the player's operation of the exchange rate setting changing function 33. It is changed to the income and expenditure amount and displayed on the screen 1a. For this reason,
It becomes possible for the player to know the amount of investment and the amount of income and expenditure at the desired cash conversion rate in addition to the amount of money converted at the desired cash conversion rate.
You can enjoy the game further by understanding the cashing result of pachinko balls from various perspectives at various cashing rates.

Further, in this embodiment, the game data storage function 32 stores game data for each of a plurality of models 1 to 6 of the pachinko machine. Then, the conversion amount calculation function 34
With this, the amount of money for which the pachinko balls have been redeemed for cash is calculated for each of the plurality of models 1 to 6 at the redemption rate whose setting has been changed by the redemption rate setting change function 33. Then, the display function 35 displays the amount of money calculated by the exchange amount calculation function 34 on the screen 1a for each of the plurality of models 1 to 6. Therefore,
The amount of money at a predetermined cash conversion rate for each of the models 1 to 6 once displayed on the screen 1a is set by the player's operation of the cash conversion rate setting change function 33 at various cash conversion rates different for each of the models 1 to 6. Will be displayed on the screen 1a. Therefore, the player can know the amount of money at the desired cash exchange rate for each of the plurality of models 1 to 6, and can grasp the cash exchange result for each model 1 to 6 at various cash exchange rates. And enjoy the game even more.

In the above-described embodiment, the game program according to the present invention is described as a case where a game of a pachinko machine using the pachinko ball 42 as a game medium is simulated on the screen 1a. It is not limited to this. For example, a game of a slot machine using medals as a game medium may be simulated on the screen 1a. Further, in the above-described embodiment, the case where the game program is executed using the game system including the home-use game machine 2 and the television 1 has been described, but the present invention is not limited to this. For example, the game program can be executed by a computer provided in a personal computer having a screen. In each of such cases, the same operation and effect as those of the above-described embodiment can be obtained.

[0038]

As described above, according to the present invention, the conversion rate setting change function changes the conversion rate of the game medium to a value desired by the player, and the conversion amount calculation function changes the conversion amount. It is calculated by the cash exchange rate whose setting is changed by the rate setting change function. Then, the display function displays the redemption amount calculated by the redemption amount calculation function on the screen. Therefore, the cash amount at the predetermined cash rate once displayed on the screen is changed to a cash amount at a different cash rate by the operation of the player with respect to the cash rate setting changing function, and is displayed on the screen.
Therefore, the game player of the game program,
It becomes possible to know the cash exchange amount at a desired cash exchange rate, and it becomes possible to simulate the cash exchange amount at each amusement store with a different cash exchange rate, so that the game can be fully enjoyed.

Further, the game data storage function has a function of storing the game medium used by the player in the game as game data, and the redemption amount calculation function has a redemption rate of this game medium used by the player in the game. It has a function to calculate the investment amount converted into cash at the conversion rate changed by the setting change function and the balance amount of this investment amount and the exchange amount, and the display function displays these investment amount and balance amount on the screen If the player has a function to change the amount of money, the amount of money to be redeemed, the amount of investment and the amount of income and expenditure at the predetermined cash rate displayed on the screen differ depending on the player's operation of the cash rate setting change function. , Investment amount and income and expenditure amount are changed and displayed on the screen. Therefore, the player can know the investment amount and the balance amount at the desired cash conversion rate in addition to the cash conversion amount at the desired cash conversion rate, and the cash conversion result of the game medium can be changed from various viewpoints. You can enjoy the game further by being able to grasp it by rate.

Further, the game execution function has a function of simulating each game for a plurality of models of the gaming machine on the screen, and the game data storage function stores the game data for each of the plurality of models. It has a function, the cash amount calculation function has a function to calculate the amount of money that the game medium has been cashed for each of a plurality of models at the cash rate changed by the cash rate setting change function, and the display function has a cash amount. When there is a function to display the amount of money calculated by the calculation function on the screen for each of multiple models, the amount of money displayed at the screen at the predetermined cash rate for each model is By the player's operation, the amount of money is changed to various cash exchange rates for each model, which is displayed on the screen. For this reason, the player can know the amount of money at a desired cash exchange rate for each of a plurality of models, and can grasp the cash exchange result for each model at various cash exchange rates to further enjoy the game.

[Brief description of drawings]

FIG. 1A is a perspective view of a game system in which a game program according to an embodiment of the present invention is executed, and FIG.
FIG. 7 is an enlarged view of the controller shown in FIG.

FIG. 2 is a circuit block diagram showing an outline of an overall circuit configuration of the game system shown in FIG.

FIG. 3 is a functional block diagram showing an outline of functions of the game program according to the present embodiment.

FIG. 4 is a diagram showing a message image displayed on the screen of the television by the game program according to the present embodiment.

FIG. 5 is a diagram showing an image of a pachinko machine game board which is simulated and displayed on the screen of the television by the game program according to the present embodiment.

FIG. 6 is a diagram showing another message image displayed on the screen of the television by the game program according to the present embodiment.

[Explanation of symbols]

1 ... TV 1a ... screen of TV 1 2 ... Home game machine 2a ... Game console body 2b ... Controller 3 ... Flash memory 11 ... Directional keys 12 ... Selection button 13 ... Start button 14 ... △ button 15… □ button 16 ... ○ button 17… × button 21 ... CPU 22 ... ROM 23 ... RAM 23 31 ... Game execution function 32 ... Game data storage function 33 ... Cash rate setting change function 34 ... Cash amount calculation function 35 ... Display function

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) G06F 17/60 146 G06F 17/60 146Z

Claims (5)

[Claims] 1. A game execution function for simulating on a screen a game of a gaming machine, in which a game is played using a game medium and the game medium acquired in the game is cashed at a predetermined cash rate.
A game data storage function for storing game data generated as a game executed by this game execution function and a cash exchange rate of a game medium in a game executed by the game execution function are operated by the player. With a cash exchange rate setting change function for changing the setting to a desired value, the game medium stored by the game data storage function as the game data acquired by the player is changed with the cash exchange rate setting change function. A game program for realizing a computer with a redemption amount calculation function for calculating the redemption amount and the display function for displaying the redemption amount calculated by the redemption amount calculation function on the screen. 2. The game data storage function has a function of storing a game medium used by a player in a game as the game data, and the redemption amount calculation function stores the game medium used by the player in the game. It has a function of calculating the amount of investment that has been converted into money at the conversion rate that has been changed by the conversion rate setting change function, and a balance amount between this investment amount and the conversion amount, and the display function displays these investment amount and balance amount. The game program according to claim 1, having a function of displaying on the screen. 3. The game execution function has a function of simulatingly executing respective games for a plurality of models of the gaming machine on the screen, and the game data storage function is provided for each of the plurality of models. It has a function of storing game data, and the redemption amount calculation function has a function of calculating the amount of money for exchanging game media for each of the plurality of models with the redemption rate changed by the redemption rate setting change function. The game program according to claim 1 or 2, wherein the display function has a function of displaying the amount of money calculated by the conversion amount calculation function on the screen for each of the plurality of models. 4. The game program according to claim 1, wherein the game machine is a pachinko machine and the game medium is a pachinko ball. 5. The game program according to claim 1, wherein the game machine is a slot machine, and the game medium is a medal.