Metroid’s impact on the industry is widespread enough to have a whole genre named after it. It’s a privilege it splits with Castlevania, but it’s an honor all the same: a rarity shared by the likes of Rogue and Demon’s Souls. This seminal 1986 NES title helped spawn an entire style of game and influenced many creators across the industry. GameSpot spoke to various developers behind a number of modern metroidvanias to get their input on the Metroid series and…