| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a game system capable of preventing fraudulence such as data tampering, or the like performed by a user. <P>SOLUTION: While providing a character in a game with a prescribed item chosen from two or more kinds of items based on a prescribed action of the character operated by the user, this game system changes the character's game level on the character's achievement of the prescribed condition, and then determines based on the relations between the given item and the changed game level whether or not the item given to the character is fraudulently acquired. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
