Patent ID: 7976383

Claim:
A gaming machine comprising: a controller programmed to conduct processing of; (A) determining, when game media in number corresponding to a natural-number multiple of a predetermined minimum BET unit are BET on a plurality of BET objects of which game results are determined independently of each other, a value of BETTING on each of said BET objects based on the amount of game media BET and the number of said BET objects, and said game results of said respective BET objects, determining an amount of a payout for each of the BET objects on the basis of said value of BETTING and said game result thereof, and determining an amount of an expected payout for a single unit game by summing up the amounts of the payouts; (B) determining a fractional value obtained by division of the amount of the expected payout for the single unit game determined in said processing (A) by said predetermined minimum BET unit; (C) paying out, to a player, an amount determined by subtraction of the fractional value determined in said processing (B) from the amount of the expected payout for the single unit game determined in said processing (A), as an amount of a payout for the single unit game; (D) accumulatively adding the fractional value determined in said processing (B); (E) shifting a mode to an insurance mode from a non-insurance mode, on condition that the fractional value accumulatively added in said processing (D) or the number of unit games in which the fractional value is accumulatively added in said processing (D) has reached a predetermined value; and (F) executing a bonus game which is relatively advantageous for the player, when a predetermined trigger condition is established in said insurance mode.