GAME CONTROL DEVICE, GAME CONTROL METHOD, GAME CONTROL PROGRAM, AND GAME SYSTEM

摘要

PROBLEM TO BE SOLVED: To keep a user interested in a game over a long period of time by enhancing user's interest in an item by effectively utilizing user's position information.SOLUTION: An item granting part 202 grants a user an in-game item with a usage limit imposed. A position information acquisition part 203 acquires position information on a communication terminal 10 in the real world. A determination part 204 determines whether or not the user is in a specific location in the real world on the basis of the position information acquired by the position information acquisition part 203. When the determination part 204 has determined that the user U1 is a spectator in a stadium, a limit canceling part 205 cancels an opening limit on a mystery-package item in which a usage limit item is enclosed, and cancels the usage limit on the usage limit item.