| 摘要 |
PROBLEM TO BE SOLVED: To enable a player to select a game machine on which he wants to play a game without getting worried. SOLUTION: The game machine has a detection sensor 50 which detects the start of a game, a timer 22 which starts measuring time after the game is started, a main control section 32 which controls a shift from a normal game status to a jackpot game advantageous to a player, a RAM 18 storing at least either the frequency of shift from the normal game status to the jackpot game status or put-out balls N and a display device 80a which relatedly displays time measured by the timer 22 and information stored in the RAM 18. COPYRIGHT: (C)2006,JPO&NCIPI
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