1. A computer-readable storage medium storing a video game program to be executed by a video game device including display means, control means and storage means, the video game program instructing a computer of the video game device to function as: attribute status changing means for switching a status of each of a plurality of predetermined attributes between active and inactive in real time and for storing the status of each attribute in the storage means; attribute status display control means for producing an attribute status barometer image and displaying the attribute status barometer image on the display means, wherein the attribute status barometer image represents whether or not a status of each attribute is currently being active and an amount of time needed before an inactive attribute will next become active; space attribute determining means for determining a space attribute according to an attribute currently being active and storing the space attribute in the storage means; attribute comparison means for comparing an attribute of a character in a game world with the space attribute determined by the space attribute determining means; character ability changing means for changing an ability parameter of the character based on a result of the comparison by the attribute comparison means; and game process means for performing a game process using the ability parameter, which has been changed by the character ability changing means, based on an instruction inputted by a player through the control means.