Rockman World 2 ROM Download for Gameboy (GB) on Emulator Games. Play Rockman World 2 game that is available in the United States of America (USA) version only on this website. Rockman World 2 is a Gameboy emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Rockman World 5, Battletoads In Ragnarok's World and Rockman World as shown below. Rockman World 2 works on all your devices in high quality.