A 3D exploration-focused metroidvania with first-person shooting mechanics and the first 3D entry in the Metroid series Metroid Prime follows Samus Aran after the events of Metroid (1986) as she boards a Space Pirate frigate then chases her escaping archrival Ridley into the intricately structured Tallon IV a planet full of deadly wildlife and former home to the advanced and ancient Chozo race.