Metroid (メトロイド, Metoroido) is an action-adventure video game made by Nintendo. It was first released in Japan on the Famicom Disk System on August 6, 1986. In 1987 and 1988, it was released in Europe and North America on the Nintendo Entertainment System. Years later, it was released for the Wii.
Metroid is the first game in the Metroid series and stars the character Samus Aran. She later appears in all of the later games.