Virtual map display system, program, and method

A virtual map displaying system for a location-based game wherein the game is progressed in a virtual world through the linking to the position of a user in the real world, comprising: a real map storing portion for storing real map information that includes geographical information in the real world and text information relating to the geographical information; a virtual display data generating portion for generating and displaying virtual display data by superimposing, on the real map information, virtual objects relating to virtual geographical information corresponding to the geographical information in the real world in accordance with the progress of the game; and a related information displaying portion for displaying on a block, so as to be visually recognizable, text information that relates to geographical information that corresponds to a display location of a virtual object.