Using a handheld device, and a tailor made movement sensor, players enter a digital globe infested with pixel-artwork zombies (a homage to vintage 8-little bit console video games). A far more state-of-the-art machine, centered on a bicycle pump, was formulated by Geddings Osbon, a Pentecostal preacher, in the seventies. In 1982, he received Fda acceptance to market place the item as the ErecAid®.