PURPOSE : A method for an on-line game is provided to understand a real estate auction at off-line easily and contrive an activation of a real estate auction by supplying a real estate auction as the on-line game on the Internet and making users receive various information related to an actual real estate auction through the on-line game.CONSTITUTION : It is judged whether an Internet user connects to a homepage for supplying an on-line game using a real estate auction through a personal communication unit(S100). If the user connects to the homepage, a web server judges whether the user is a member(S200). The web server judges whether the member selects contents for the real estate auction game(S300). The web server operates a program for enabling the member to execute the on-line game(S400). The web server judges whether the member selects contents for a real estate auction on the on-line game(S500). The web server judges whether the member selects contents for receiving information with respect to a real estate auction building(S600). If the member does not select the contents, the web server judges whether the member supplied cyber money corresponded to a real estate bid(S700). If the member supplied cyber money, the web server judges whether the member' s bid was successful(S800). If the member' s bid was successful, the web server judges whether the member supplied the remainder of the contract price(S900). If the member supplied the remainder of the contract price, the web server judges whether the member wishes to manage a legal right transfer for transferring of the real estate directly(S1000). If the member managed the legal right transfer directly, the level of the member is enhanced(S1100).? KIPO 2003