Side Pocket ROM Download for Nintendo (NES) on Emulator Games. Play Side Pocket game that is available in the United States of America (USA) version only on this website. Side Pocket is a Nintendo emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Side Winder (Xiang Wei She) (Joy Van), Monster In My Pocket and Side Winder (HES) as shown below. Side Pocket works on all your devices in high quality.