| 简介 |
PROBLEM TO BE SOLVED : To provide a game machine issuing a premium card for a player when a rare premium presentation is carried out.
SOLUTION : The game machine includes : an internal lottery means for internally drawing lottery deciding whether a special game state advantageous to the player is generated or not; a variable display game performance means for changing and stopping display of identification information on a screen on the basis of the result of the internal lottery, and performing a variable display game displaying a plurality of presentation patterns by a presentation image; a presentation display control means for dividing the plurality of presentation patterns in association with the degree of winning expectation value of the internal lottery, mainly selecting a presentation pattern with a low appearance rate in the case of a large expectation value and a presentation pattern with a high appearance rate in the case of a small expectation value, and displaying the selected pattern at the screen before the identification information is stopped and displayed; and a card issuing means for issuing a card on condition that the presentation pattern with the least appearance rate is selected and displayed and also the special game state is generated. |
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