Join the elite liberation team in Mega Man Battle Network 5 Team Protoman for the GameBoy Advance. When the internet is taken over by the crime syndicate Nebula, Lan and MegaMan must join a team of elite NetNavis led by Protoman. This entry introduces "Liberation Missions," a strategy RPG mode where you command your team on a grid map to cleanse dark panels and defeat bosses within a turn limit. The game also features the "Chaos Unison" system, allowing you to fuse with Dark Chips for high-risk, high-reward attacks. Coordinate with teammates like MagnetMan and GyroMan to liberate the net from the forces of darkness.