This document discusses motivating players in pen and paper roleplaying games. It outlines different types of player motivations, including hard fun that challenges players, easy fun focused on creativity and roleplaying, and people fun that comes from social bonds. Game masters are advised to understand each player's motivations and provide a game structure with different encounters and exciting events tailored to players' abilities. Both good and bad structures are described. The document also discusses how to address issues that could undermine player motivation like frustration, boredom, or lack of respect.