It's a different game with fewer players, in that you have the run of desirable zones like Demonforge or Bloodstone but the meta for running them has changed to account for smaller formations. Really fun!
*All I remember is if you get stuck somewhere around level 15-20 try farming the theater in Riverton. Do a trade run to make the trip worthwhile. You can load up on Oak Staves and golden healing potions in the shop and just spam kill a bunch of creatures roaming the streets to speed through this usually sticky spot. Then go to refuge.