Patent ID: 8678933

Claim:
A server device connected to a plurality of player terminals so as to communicate information with the player terminals, the server device comprising: a storage unit configured to store game content information in which rarity levels are set to be respectively associated with a plurality of pieces of game content provided with serial numbers, the game content information being configured to have special numbers at a predetermined interval in serial number order, and being configured such that rarity levels set for pieces of game content with the special numbers are higher than or equal to rarity levels set for pieces of game content with numbers other than the special numbers; a providing unit configured to select, in response to a request from each of the player terminals, the same number of pieces of game content as the number of the predetermined interval, in numerical order from among the plurality of pieces of game content by referring to the game content information, and to provide the selected pieces of game content at a time; a provision notice information generating unit configured to generate provision notice information for notifying in advance of whether a piece of game content with a special number is to be provided; and an image data generating unit configured to generate, in response to a request from a player terminal having satisfied a predetermined condition, image data for displaying a game screen on a display unit of the player terminal before providing the pieces of game content, the game screen containing the provision notice information, wherein a numerical value of a maximum number among the serial numbers provided to the pieces of game content is obtained by adding the number of the plurality of pieces of game content provided at a time by the providing unit to a numerical value of a maximum special number and then subtracting 1 from the added numerical value, and when the providing unit provides, at a time, a plurality of pieces of game content including a piece of game content with the maximum special number, the providing unit provides pieces of game content with numbers from one subsequent to the maximum special number to the maximum number.