Set up the game as if playing with 2 players, using an "automated" player who has its own 3 Posse Tokens and matching color Location Mat, but DOES NOT use a Boss Card. They are called the "Rival."

The Rival's Location Mat's "porch slot" may have random Buildings Cards, depending on the difficulty level of the game. Select the level you wish to play, and then add buildings according to the chart on the right: