Official U.S. PlayStation Magazine (often abbreviated to OPM) was a monthly video game magazine published by Ziff Davis Media. It was a sister publication of Electronic Gaming Monthly. The magazine focused exclusively on PlayStation hardware, software, and culture, covering the original PlayStation, PlayStation 2, PlayStation 3, and PlayStation Portable. Each issue included a disc that contained playable demos and videos of PlayStation games. The magazine had a nearly ten-year run. The first issue, cover dated October 1997, was published September 23, 1997, while the final issue was cover dated January 2007.