| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for activating a game or an event in the game.SOLUTION: A server device 1 for providing a game includes a storage part 17 for storing an activity state of a user in an event in the game, a notice information preparation part 14 for displaying the activity state of the user in a terminal device 2, a determination part 12 of the activity state of the user, a lottery object setting part 13 by a determination result, and a setting information preparation part 14 for displaying a set lottery object in a terminal device of the user. Reward of a selected lottery object is stored in association with the user according to a user's selection operation of the lottery object, and when reward of a value higher than a prescribed value is not associated with the user as a result of the selection operation, the acquisition probability of reward and/or an expectation value is changed to set a lottery object when it is determined that the activity state satisfies a first prescribed condition by the preparation part 14 which prepares display information for displaying an accumulation value of the number of times when reward of a value higher than a prescribed value is not associated with the user in the terminal device.SELECTED DRAWING: Figure 1 |
