Play Mega Man Battle Network 4 - Blue Moon emulator game online in the highest quality available. Mega Man Battle Network 4 - Blue Moon is a Gameboy Advance game that you can enjoy on Play Emulator. This GBA game is the US English version that works in all modern web browsers without downloading. Mega Man Battle Network 4 - Blue Moon is part of the RPG Games, Fighting Games, and Adventure Games you can play here. PlayEmulator has many online retro games available including related games like Pokemon Mega Emerald X & Y, Pokemon Omega Ruby, and Mega Man X.