GAME MANAGING DEVICE, GAME SYSTEM, GAME MANAGING METHOD AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To activate a game by motivating a user to actively advance a plurality of plays in the game.SOLUTION: If a prescribed condition for a chance of acquiring a bonus is satisfied, a display control means 51 displays an n-number (2≤n) of treasure box items on a game screen. A game managing device includes a plurality of opening means 53-55 for opening the n-number of treasure box items individually under different conditions. An opening control means 56 performs such control that one opening means cannot be applied to the other treasure boxes if the one opening means is applied to one treasure box.