Marathon Season 2 begins June 2, and developer Bungie has now detailed all the ways its new Night Marsh map will have players jumping at shadows. For those who have been Marathon-curious but afraid to make the leap, the game will also be free to try June 2-9. Playing Marathon, particularly solo, can be an intense game of cat and mouse–one that often feels like a survival-horror game as you scavenge for supplies and attempt to avoid hostile runners looking…