1. An information storage medium storing a program that generates an image of a virtual space viewed from a virtual camera, an operation object and a non-operation object being disposed in the virtual space, the program causing a computer to function as: an operation object movement control section that receives a movement instruction input about the operation object, and controls a movement of the operation object in the virtual space based on the received movement instruction input; a non-operation object movement/motion control section that controls at least one of a movement and a motion of the non-operation object in the virtual space based on a predetermined algorithm; an attack target setting section that determines whether or not an attack target tracking condition is satisfied by at least one of the operation object and the non-operation object, and sets the non-operation object to an attack target tracking state in which the non-operation object tracks the operation object as an attack target when it is determined that the attack target tracking condition is satisfied; a display control section that displays an attack target tracking notification image that indicates that the non-operation object is set to the attack target tracking state when the non-operation object is set to the attack target tracking state; and an image generation section that generates an image of the virtual space viewed from the virtual camera, the operation object being disposed in the virtual space.