Gaming machine having free game, wherein the number of free game to be added is added during free game

摘要

The present invention provides a gaming machine employing a free game system which provides an enhanced game element. The gaming machine determines the number of adding free game based on a game number lottery table under the condition that a first symbol is rearranged in the symbol display unit in the free game, and adds a preset number of free game under the condition that a second symbol is rearranged in the symbol display unit in the free game.

主权项

1. A gaming machine capable of obtaining a game result based on a plurality of rearranged symbols, comprising:
at least one entry configured to receive game media providing credits to be bet to play a normal game; a symbol display unit for rearranging the plurality of symbols; a memory storing a game number lottery table for determining the number of adding games of a free game; and a controller for executing processes of: (1) executing the normal game; (2) triggering a free game to be executed a predetermined number of times when a trigger event of the free game occurs in the normal game; (3) executing the free game, the predetermined number being decremented by one each time the free game is executed; (4) determining the number of adding free game based on the game number lottery table under the condition that a first symbol is rearranged in the symbol display unit in the free game, the determined number of adding free game being added to a remaining number of the free game; and (5) adding a preset number of free game under the condition that a second symbol is rearranged in the symbol display unit in the free game, the preset number of free game being added to the remaining number of the free game, wherein the game number lottery table includes a plurality of lottery tables each including a plurality of numbers of adding games associated with probabilities, and the plurality of lottery tables include a first lottery table having a larger expectation value of the number of adding games and a second lottery table having an expectation value of the number of adding games smaller than that of the first lottery table, wherein the memory further stores a table lottery table for selecting a lottery table by lottery from among the plurality of lottery tables, a probability of winning the first lottery table being set lower than a probability of winning the second lottery table, and wherein the process (4) includes the processes of: (1-1) determining a lottery table from among the plurality of lottery tables based on the table lottery table under the condition that the first symbols is rearranged in the symbol display unit in the free game; and (1-2) determining the number of adding games of the free game based the lottery table determined in the process (1-1).