| 摘要 |
PROBLEM TO BE SOLVED: To inspire a player with more thrill and excitement by changing the contents of a pattern mating game started at a chance of a winning ball in a special prize hole. SOLUTION: A screen game control means 50 executes a pattern mating game as a first step of a screen game on a variable display means 20 when a ball gets a prize in a special prize hole 12. If the result shows a success, a second step of the screen game appears. At the second step of the screen game, a pattern is scrolled for a fixed time period, and then an original pattern showing a success is stopped and displayed and the display color of the pattern is changed at random in conjunction therewith. The rank of the success, that is, how the probability of a success in the following screen games is changed is informed and displayed by using the final display color of the pattern. |
