Patent ID: 8348756

Claim:
An apparatus for inputting a unique password using a game, the apparatus comprising: a password image displaying unit to display, on a display unit, a password image corresponding to at least one password information; an obstacle image displaying unit to display, on the display unit, at least one obstacle image, such that the at least one obstacle image and the password image are simultaneously displayed on the display unit; a character image displaying unit to display, on the display unit, a character image moved based on movement information received from an external input unit; a determining unit to determine whether the character image is in contact with the password image; and an authentication unit to control a user authentication procedure to be performed based on the at least one password information corresponding to the password image when the character image is in contact with the password image, wherein the user authentication procedure determines whether or not a unique password is formed by the at least one password information corresponding to the contact of the character image with the password image.