| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of identifying and displaying an effective symbol relating to benefit to a player for each variation even if a symbol arrangement of a decorative symbol has no regularity.SOLUTION: In the game machine, a performance control part includes a variation start means of starting to vary a decorative symbol, a variation stop means of stopping to vary the decorative symbol, a validity/invalidity discrimination means of discriminating an effective symbol relating to the benefit of a player from an invalid symbol not relating to the benefit of a player from among decorative symbols, and an identification display means of identifying a valid symbol and an invalid symbol in an easily recognizable mode from among decorative symbols for displaying on a display screen. |
