ROVR Systems Limited has built a Virtual Reality (VR) walking / running simulator (the ROVR) providing a means of safe, naturally intuitive movement in VR providing long-term real presence immersion. A ROVR is a 1m diameter, shallow dished platform and together with a VR containment frame and low friction overshoes achieves effortless motion. Such safe, naturally intuitive movement allows uninterrupted VR immersion comfortable for most people.