バクレツむてきバンガイオー (Bakuretsu Muteki Bangaioh) is a Japanese-only action game released for the Nintendo 64 in 1998. Developed by Banpresto and published by Bandai, this game puts players in control of a giant robot, the Bangaioh, as it battles its way through a series of levels to save the world from a mysterious alien menace. The game is a 3D action title, and requires players to use a variety of weapons and special attacks to defeat their enemies. The game features both a single-player story mode and a two-player versus mode, allowing for both cooperative and competitive play. The game also features a unique 'Bangaioh Mode' which allows players to customize the robot's stats and weapons. Bakuretsu Muteki Bangaioh is a fast-paced, action-packed game that is sure to please fans of giant robot combat.