Bangai-O, released in 1999 for the Sega Dreamcast, is a multi-directional shooter video game developed by Treasure. Known for its frantic action and strategic gameplay, players control a flying mecha endowed with the ability to dash and unleash powerful missile attacks. Featuring over 40 levels, Bangai-O pits players against numerous enemies and massive bosses in a quest to defeat an evil corporation. The game's unique appeal lies in its intense bullet-dodging mechanics, combination of puzzle elements, and a scoring system that rewards high-risk combat strategies. Its 2D graphics and sound were praised for their quality and how they complemented the fast-paced gameplay, making Bangai-O a beloved classic among shoot 'em up enthusiasts.