There are is a Playboy magazine in Dead Rising 2 for the PS3, Xbox 360, and PC that will give you a 10% PP bonus when saving female survivors.
The Playboy magazine is located in the center of the Palisades Mall on the first floor. You’ll see some water on the map in the center. Climb up onto the structure here and you’ll find a shallow water area with tables. The magazine is laying on the floor in the water.
Check out the full Dead Rising 2 store map if you need help finding it.
