Operating method for coin-operated games machine involves playing special game if defined display field occupied by special game symbols is reached in additional prize game device

摘要

The method involves playing a special game if a defined display field (19,20) occupied by special game symbols is reached in an additional prize game device in the form of a risk game device (15,16). If a certain event occurs in the symbol game device (1) whilst playing the special game at least once a further risk game occurs between two non-adjacent display fields without risk of losing.