GAME MANAGEMENT DEVICE, GAME SYSTEM, GAME MANAGEMENT METHOD, AND PROGRAM

PROBLEM TO BE SOLVED: To provide a game with high amusement properties by having increased variation of a game.SOLUTION: A game management device manages a game which acquires the right for performing a first game (a prediction game, or the like) by another second game (a puzzle game, or the like). Restriction means 71 restricts use of the right (expiration date for use, or the like) which a user acquires in the second game. Restriction change means 72 cancels or eases the restriction of the right, according to input for reducing the number of rights or input for paying a consideration by the user.