In Proteus, players travel through a world to soothing music as they uncover pockets of wildlife and other things of interest along the way. There are no particular goals or rules to speak of – elements most students of game design learn are essential parts of a game.
Developer Ed Key, alongside musician David Kanaga, thinks of it more as an “anti-game.”
Follow the discussion in Indie Game the WebLog. What do you think? Is Proteus a Game or something else?