Actually for 1 / 2 players...have you tried the card game? That aside, most Pathfinder adventures are designed for 4... you could try 2 characters each? Or pick one with pregens. The free RPG Day ones are good for that. One shots with premade characters.
I also wanted to show some one pathfinder by running the module from the starter box. So to keep it simple could they start with a third level character ?