| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a network game system where the more a user plays a game, the more an interest of the user to an existing, optional object appearing in the game becomes and available for obtaining a high advertisement effect to the object in contrast with a conventional relationship between the game and the advertisement. SOLUTION: The network game system comprises registering the user, allocating virtual money with a specified amount to the registered user, publishing the number of specified sheets of a virtual bill determining a specified basic amount to the existing, optional object, allocating points to the virtual bill according to an evaluation standard for the virtual bill set based on a real action on the object, paying the points to the user according to the number of possessed sheets of the virtual bill, disclosing the evaluation standard for the virtual bill, receiving purchase-sale of the virtual bill using the virtual money, providing with a server structured so that the purchase-sale of the virtual bill using the virtual money among the users is implemented, and making for the users conducting the user registration via an optional terminal connected to a network to implement the purchase-sale of the virtual bill using the virtual money.</p> |
