You can see the order the campaigns are in by clicking host game and scanning through to the next camaign. I would recomend buying, balfort Castle (you get the auction house so you can merchant), then fathom crypt, then lost expedititon, then the ancient swamps (by now you should be. Getting the hang of it if you are a avid forum user)skip alien oasis 1 and skeller Crunch and instead buy alien oasis 2, then alien oasis 3, balfort sewers etc. Good luck, pm me for assistance