Ever since Aristotle, the debates over how to classify things have been endless. Are house cats “useful” or “tame”? Is Makemake a planet? Are crappers sculptures? Is noise music? Are games where you walk around and explore a pastoral setting while interacting with an ethereal soundscape really games? We talked with Ed Key, one of the two creators of Proteus, a game that fits the latter description, which released this week and has caused some highly vocal people to question if this qualifies as a game. – – – How would you describe Proteus? I do call it a game.…