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Samus Aran, a bounty hunter, is send to destroy a band of space pirates who stolen a Galactic Federation-owned space research vessel with samples of Metroid, a dangerous parasitic lifeform.
After stopping the threat on the planet Zebes, Samus Aran is asked to eliminate the entire remaining Metroid population of the planet SR388.
Metroid II: Return of Samus
Samus Aran returns to the brooding planet Zebes to recover the last metroid from the Space Pirates.
After the Metroids were considered to be wiped out, the deadlier X parasites attack Samus. She is given a new suit after her near-death experience and returns to an empty Galactic Federation station, where something seems out of place.
A Space Pirate distress signal draws bounty hunter Samus Aran to Tallon IV, a world she discovers is being consumed by a terrible poison.
The full story of Samus Aran's first mission unfolds.
Metroid: Zero Mission
Sent to assist a Galactic Federation squadron stranded on the planet Aether, Samus Aran is thrust into an all-but-lost war between the dying Luminoth race and the umbral demons known as the Ing, on a world torn between light and darkness.
Metroid Prime 2: Echoes
This adventure follows bounty hunter Samus Aran as she attempts to recover mysterious artifacts, all the while being challenged by six other hunters as skilled as herself.
Metroid Prime Hunters
Upon becoming leader of the Space Pirates, Dark Samus launches meteoric Phazon Seeds at 3 planets crucial to the Galactic Federation. After being infected by phazon, Samus and her fellow bounty hunters set out to counter Dark Samus' forces.
Metroid Prime 3: Corruption
After her mission to destroy the Space Pirate homeworld, Zebes, Samus is traveling through space when her ship intercepts a distress signal from the derelict Bottleship.
Metroid: Other M
Newbies in Galactic Federation force are sent to the Bermuda system to investigate mysteries and discover secrets of past civilisations.
Metroid Prime: Federation Force
The story and structure are similar to the original sequel, but the game features improved controls, enhanced visuals and introduces gameplay features and abilities new to 2D Metroid games, such as a melee counterattack and the ability to fire freely at any angle.