| 摘要 |
PROBLEM TO BE SOLVED: To improve game property of a behavior itself of acquiring a game medium.SOLUTION: A server device 10 includes: a game progress control part 51; an information storage part 52; a lottery execution part 53 for executing a lottery of a character; a character display part 54 for displaying a character included in a lottery result; an area selection reception part 55 for receiving the selection of an area where the character is arranged; an action execution part 56 for executing the arrangement of the character in the selected area; a point provision part 57 for providing points to a player; a game result determination part 58 for determining a game result based on the points provided to each player; an enhancement ticket reception part 59 for receiving the use of a virtual ticket for enhancing a virtual slot used for the lottery of the character from the player; and a parameter update part 60 for updating a parameter concerning an appearance probability of each lottery object of the slot. |
