B-Legend! Battle B-Daman for the GBA brings the high-energy marble-shooting competition to your handheld. Players follow Yamato Delgado on his journey to become the best B-Daman player in the world. The gameplay features intense 1-on-1 matches from a first-person perspective, where you must aim and shoot marbles to knock out your opponent's B-Daman. A key highlight is the deep customization system: players can collect and swap parts like barrels, triggers, and magazines to fine-tune their B-Daman's power and accuracy. With a compelling story mode and strategic battle mechanics, it perfectly recreates the thrill of the popular toy and anime franchise.