Megaman Zero 4 ROM Download for Gameboy Advance (GBA) on Emulator Games. Play Megaman Zero 4 game that is available in the United States of America (USA) version only on this website. Megaman Zero 4 is a Gameboy Advance emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Megaman Zero, Metroid - Zero Mission and Megaman Battle Network 6 - Cybeast Gregar as shown below. Megaman Zero 4 works on all your devices in high quality.