A program execution apparatus moves the fixation point in a virtual space in response to a change in the direction of a prescribed part of a virtual character in the virtual space. When the program execution apparatus moves the fixation point in a virtual space in response to a change in the direction of a prescribed part of a virtual character in the virtual space, it causes the occurrence of a prescribed object in the virtual space, thereby achieving a video game having a high level of reality and an improved level of entertainment.