Marathon is weird as hell - and I mean that in the best possible way. The latest game from Destiny studio Bungie mixes the slick gunplay the developer is known for with a dark, and frankly bizarre, sci-fi universe. It's part of the burgeoning "extraction shooter" subgenre, where teams of players are dropped into a hostile environment and tasked with getting the hell out. After just a few hours with the game, I'm eager to play more, both because the core action is so satisfying and to make sense of this mystifying universe. But as much as I'm enjoying Marathon right now, I'm also wary about its future because I have no idea how long it will l …
