A mysterious Navi force has taken control of the internet! Now it's up to Lan and his friends to infiltrate the Dark Chip Factory in the Nebula Headquarters and destroy the Dark Chip production system. The survival of cyberspace hangs in the balance! Play both Team Protoman and Team Colonel versions! Powered up with DS exclusive features! Battle with Navis from both teams! Cheer Mega Man on with built-in mic and help him win battles! Access your PET during gameplay and view cyber maps using the dual screens! Head-to-head battles with up to 8 players using Tournament style wireless play!