Roulette gaming machine changing payout ratio set for each bet type and playing method of roulette game

Abstract

In a unit game executed in a ratio of once per several times, a win is made in a DOUBLE ODDS lottery. When a win is made in a DOUBLE ODDS lottery, a payout ratio (ODDS) set for each bet type is switched from a base ratio to a specific ratio that is twice as high as the base ratio. Thereby, when a winning is made in a unit game, with a win in a DOUBLE ODDS lottery, a payout to be awarded to a player is doubled.

1 . A roulette gaming machine comprising:
 a roulette device in which a ball rolls on a wheel having a plurality of marks disposed thereon;   a display that displays a plurality of bet areas each of which corresponding to at least one mark and one bet type and on each of which a game value is bet;   an input device that receives an operation from an outside; and   a controller programmed to perform operations of:   (a) betting a game value on a bet area associated with the operation received by the input device from the outside, in a bet type corresponding to the bet area;   (b) rolling the ball, thereby setting, as a specific mark, a mark corresponding to a stop position of the ball;   (c) when the specific mark and the bet area on which the game value is bet have a corresponding relation, awarding a payout on the basis of the game value bet on the bet area and a payout ratio set for the bet type corresponding to the bet area; and   (d) randomly switching the payout ratio set for each bet type between a base ratio and a specific ratio higher than the base ratio.   
   
   
       2 . A roulette gaming machine comprising:
 a roulette device in which a ball rolls on a wheel having a plurality of marks disposed thereon;   a display that displays a plurality of bet areas each of which corresponding to at least one mark and one bet type and on each of which a game value is bet;   an input device that receives an operation from an outside; and   a controller programmed to perform operations of:   (a) betting a game value on a bet area associated with the operation received by the input device from the outside, in a bet type corresponding to the bet area;   (b) rolling the ball, thereby setting, as a specific mark, a mark corresponding to a stop position of the ball;   (c) when the specific mark and the bet area on which the game value is bet have a corresponding relation, awarding a payout on the basis of the game value bet on the bet area and a payout ratio set for the bet type corresponding to the bet area; and   (d) randomly switching the payout ratio set for each bet type between a base ratio and a specific ratio that is twice as high as the base ratio.   
   
   
       3 . A roulette gaming machine comprising:
 a roulette device in which a ball rolls on a wheel having a plurality of marks disposed thereon;   a display that displays a plurality of bet areas each of which corresponding to at least one mark and one bet type and on each of which a game value is bet;   an input device that receives an operation from an outside; and   a controller programmed to perform operations of:   (a) betting a game value on a bet area associated with the operation received by the input device from the outside, in a bet type corresponding to the bet area;   (b) rolling the ball, thereby setting, as a specific mark, a mark corresponding to a stop position of the ball;   (c) when the specific mark and the bet area on which the game value is bet have a corresponding relation, awarding a payout on the basis of the game value bet on the bet area and a payout ratio set for the bet type corresponding to the bet area; and   (d) switching the payout ratio set for each bet type from a base ratio to a specific ratio higher than the base ratio, in a unit game that is executed in a ratio of once per a plurality of times.   
   
   
       4 . A roulette gaming machine comprising:
 a roulette device in which a ball rolls on a wheel having a plurality of marks disposed thereon;   a display that displays a plurality of bet areas each of which corresponding to at least one mark and one bet type and on each of which a game value is bet;   an input device that receives an operation from an outside; and   a controller programmed to perform operations of:   (a) betting a game value on a bet area associated with the operation received by the input device from the outside, in a bet type corresponding to the bet area;   (b) rolling the ball, thereby setting, as a specific mark, a mark corresponding to a stop position of the ball;   (c) when the specific mark and the bet area on which the game value is bet have a corresponding relation, awarding a payout on the basis of the game value bet on the bet area and a payout ratio set for the bet type corresponding to the bet area; and   (d) switching the payout ratio set for each bet type from a base ratio to a specific ratio that is twice as high as the base ratio, in a unit game that is executed in a ratio of once per a plurality of times.   
   
   
       5 . A playing method of a roulette game that repeatedly executes a unit game in which a ball rolls on a wheel having a plurality of marks disposed thereon, the method comprising the steps of:
 (a) betting a game value on a bet area, among a plurality of bet areas displayed on a display, associated with an operation received by an input device from an outside, in a bet type corresponding to the bet area;   (b) rolling the ball, thereby setting, as a specific mark, a mark corresponding to a stop position of the ball;   (c) when the specific mark and the bet area on which the game value is bet have a corresponding relation, awarding a payout based on the game value bet on the bet area and a payout ratio set for the bet type corresponding to the bet area; and   (d) randomly switching the payout ratio set for each bet type between a base ratio and a specific ratio higher than the base ratio.   
   
   
       6 . A playing method of a roulette game that repeatedly executes a unit game in which a ball rolls on a wheel having a plurality of marks disposed thereon, the method comprising the steps of:
 (a) betting a game value on a bet area, among a plurality of bet areas displayed on a display, associated with an operation received by an input device from an outside, in a bet type corresponding to the bet area;   (b) rolling the ball, thereby setting, as a specific mark, a mark corresponding to a stop position of the ball;   (c) when the specific mark and the bet area on which the game value is bet have a corresponding relation, awarding a payout based on the game value bet on the bet area and a payout ratio set for the bet type corresponding to the bet area; and   (d) randomly switching the payout ratio set for each bet type between a base ratio and a specific ratio that is twice as high as the base ratio.   
   
   
       7 . A playing method of a roulette game that repeatedly executes a unit game in which a ball rolls on a wheel having a plurality of marks disposed thereon, the method comprising the steps of:
 (a) betting a game value on a bet area, among a plurality of bet areas displayed on a display, associated with an operation received by an input device from an outside, in a bet type corresponding to the bet area;   (b) rolling the ball, thereby setting, as a specific mark, a mark corresponding to a stop position of the ball;   (c) when the specific mark and the bet area on which the game value is bet have a corresponding relation, awarding a payout based on the game value bet on the bet area and a payout ratio set for the bet type corresponding to the bet area; and   (d) switching the payout ratio set for each bet type from a base ratio to a specific ratio higher than the base ratio, in a unit game that is executed in a ratio of once per a plurality of times.   
   
   
       8 . A playing method of a roulette game that repeatedly executes a unit game in which a ball rolls on a wheel having a plurality of marks disposed thereon, the method comprising the steps of:
 (a) betting a game value on a bet area, among a plurality of bet areas displayed on a display, associated with an operation received by an input device from an outside, in a bet type corresponding to the bet area;   (b) rolling the ball, thereby setting, as a specific mark, a mark corresponding to a stop position of the ball;   (c) when the specific mark and the bet area on which the game value is bet have a corresponding relation, awarding a payout based on the game value bet on the bet area and a payout ratio set for the bet type corresponding to the bet area; and   (d) switching the payout ratio set for each bet type from a base ratio to a specific ratio that is twice as high as the base ratio, in a unit game that is executed in a ratio of once per a plurality of times.