| 摘要 |
PROBLEM TO BE SOLVED: To heighten game characteristics by presenting a plurality of candidates for symbols constituting a symbol combination indicating a result of a win/lose lottery to a player. SOLUTION: A pattern memory means 130 holds an expansion type variation pattern including a performance mode presenting a symbol candidate to be at least one symbol among symbols constituting a symbol combination presenting a result of win/lose lottery in a win/lose lottery means 112. A symbol candidate selecting means 138 selects one or a plurality of symbol candidates presented in the expansion type variation pattern from previously prepared symbol kinds when the expansion type variation pattern is selected. A precedent stop symbol selecting means 140 precedently stop-displays one kind among symbol candidates selected by the symbol candidate selecting means 138. A win/lose determination symbol selecting means selects a plurality of win/lose determination symbols to be combined with the symbol candidate to form a symbol combination matching the precedently stop-displayed result of win/lose lottery from the symbol kinds. COPYRIGHT: (C)2011,JPO&INPIT
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