An image processing device for games wherein a prescribed number of models are set up in virtual space and these models are controlled such that they move in prescribed directions in the virtual space and images of this virtual space from a viewpoint at a prescribed position are displayed by means for display. The device comprises first means that determines whether or not a prescribed condition is established between two models; second means for reflecting the establishment of the condition in the movement of the respective models and third means (S208) for, if this condition is established, changing the reproduction speed of movement of one model with respect to the other model.
