"Following the events on planet Zebes , the galactic federation have ultimately decided to exterminate the metroid species from galaxy before they can prove even more dangerous. Once again they've hired the bounty hunter Samus Aran for the job but on her mission to SR388 she uncovers a startling truth. The metroids are evolving!" Metroid Extinction is the sequel to Samus Begins and once again takes its key plot points from the games, this time from Metroid II Return of Samus and Metroid Samus returns.All Rights Reserved