Mega Man Battle Network 3: Blue follows the story of LAN, a young hero who is invited to participate in a local net-battle tournament with his trusty sidekick, Mega Man . However, during the tournament, LAN and Mega Man stumble upon an evil corporation's sinister plot to regain control over the network.
The gameplay revolves around guiding Mega Man through various levels, defeating enemies, and collecting valuable chips to upgrade his arsenal and other items using an RPG-style system.
The Blue Version of Battle Network 3: Blue comes with exclusive Giga Class chips that can only be used by the Blue Version of Mega Man. Additionally, players can trade chips between Battle Network 3: Blue and its White counterpart using either version.