Mass Effect PvE and story was better than any game I've ever played. I actually felt motivated by the story and felt personally connected with some of the characters (love me some Legion and Garrus). I tell people to this day that if they love video games, especially scifi, they HAVE to play Mass Effect. But.. there ain't no Crucible in Mass Effect. I just have so much fun beating people's ass and that can't happen in Mass Effect.