Bases Loaded ROM Download for Nintendo (NES) on Emulator Games. Play Bases Loaded game that is available in the United States of America (USA) version only on this website. Bases Loaded 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 Bases Loaded 2, Bases Loaded 3 and Bases Loaded 4 as shown below. Bases Loaded works on all your devices in high quality.