Mega Man: The Power Battle[a] is an arcade video game and a spin-off title for the Mega Man series. It was released in Japan in 1995 and was followed by a sequel, Mega Man 2: The Power Fighters, the following year. Both games—which were the first and only arcade titles ever to exist within the Mega Man franchise—were ported to home consoles in North America in 2004 as part of the Mega Man Anniversary Collection for PlayStation 2, Nintendo GameCube and Xbox and in Japan during the same year as part of two game compilation titled Rockman Power Battle Fighters (ロックマン パワーバトルファイターズ), also for the PlayStation 2.[3][4][5] An adaptation of both games for the Neo Geo Pocket Color, titled Rockman Battle & Fighters (ロックマン バトル&ファイターズ), was also made.[6]

Daioh, which translates from Japanese as 'Great King', is a vertically multi-layer scrolling space shooter. The game has a multitude of waves of different enemies, several final bosses and frenetic action. You can use weapons like "Ion Shot", "Laser Shot", "Missile Shot", "Fire Bomb", "Mega Beam" and "Atomic Bomb".