The document discusses the concept of agency in video games. It first defines agency as the capacity for actors to act independently and make free choices. The document then discusses Janet Murray's views on agency in games. According to Murray, agency in games provides an aesthetic pleasure and requires both the rules and procedures of the game as well as cueing the actions of the player. The document also mentions different types of game structures Murray identified such as tangled rhizomes, solvable mazes, and labyrinths.