Abstract: A moving operation having much amusement particularly in a simulated shooting game using a simulated gun is implemented in accordance with an input operated by a player character that plays a role as a player. In order to achieve this, as a plurality of objects set in a virtual space, there are a player character (P) that is operated in accordance with an operation of the player, an enemy character (E) that becomes a match-up opponent of the player character (P), and a plurality of shield objects (G) that are disposed in movement areas of the player character (P) and the enemy character (E).