Metroid II: The Return of Samus

Metroid II: Return of Samus (メトロイドII RETURN OF SAMUS, Metoroido Tsū Ritān Obu Samusu) is the sequel to Metroid and the second game in the Metroid series and only one to appear on the Game Boy. It is about Samus Aran's mission to exterminate the Metroids on their home planet, SR388. Although it is the second release in the series, chronologically it takes place after Metroid Prime 3: Corruption and before Super Metroid.