Zillion, known as Akai Koudan Zillion(赤い光弾 ジリオン, lit. Red Photon Zillion) in Japan, is a space adventure platform video game designed for the Sega Master System as a companion for the Zillion anime in 1987. The game is a free-scrolling platform/adventure in the vein of Metroid. It also has objects to be inspected and the necessity of enable things by accessing codes in vein of Impossible Mission. A sequel to the game, Zillion II: The Triformation was also released.