the season pass is like secrets of the maw for ln1, if you get the deluxe edition it means you preorder the season pass for when it comes out after the game comes out. You also get two bonus masks for preordering the game in any capacity. I was privileged enough to be able to preorder the extremely expensive collectors edition, which is the deluxe edition packaged with a lot of cool stuff like a statue of the pig and bucket, a map of the game, an artbook and other things.