Abstract: An information processing device that is connected via a network to a terminal device operated by a player, and provides a game space to the terminal device, has a memory component for storing item information related to items that the player can purchase with virtual currency and that allow the player to gain an advantage in a game, and player information related to the items possessed by the player and to the status of the player in the game; an item provision component that receives item purchase requests from the terminal device and updates the item information and player information; and a game processor that receives player input to the terminal device and executes processing to move the game forward on the basis of the item information and the player information, and the power of an item is changed according to the number of players who have purchased that item.

Abstract: An information processing device that is connected via a network to a terminal device operated by a player, and provides a game space to the terminal device, has a memory component for storing item information related to items that the player can purchase with virtual currency and that allow the player to gain an advantage in a game, and player information related to the items possessed by the player and to the status of the player in the game; an item provision component that receives item purchase requests from the terminal device and updates the item information and player information; and a game processor that receives player input to the terminal device and executes processing to move the game forward on the basis of the item information and the player information, and the power of an item is changed according to the number of players who have purchased that item.