It has had two sequels called Metroid Prime 2 : Echoes and Metroid Prime 3 : Corruption , a side game called Metroid Prime Hunters , and a spin-off called Metroid Prime Pinball . Prime , Metroid Prime 2 : Echoes , and Prime 3 were bundled together on a single disc as Metroid Prime : Trilogy , released in North America on August 24 , 2009 .