Mega Man Battle Network 4 - Blue Moon game is a ROM you can play online within your browser. This Gameboy Advance ROM runs in our top-notch quality emulator at PlayRoms.net only. Play Mega Man Battle Network 4 - Blue Moon GBA game online in English USA version on your desktop, tablet, and mobile. If you liked playing this emulator then you will also be interested in similar classic titles Pokemon Mega Emerald X & Y and Pokemon Omega Ruby. This free game belongs to the Card and Puzzle category of online retro games.