Ko’s Journey is a math game for middle schoolers. In it, players follow the adventures of a girl who has been separated from her family and must travel across the wilderness. Along the way, she must solve problems using mathematics, including finding the correct proportion of medicinal plants to save a wolf cub, and the correct angle to shoot her arrows. Identity and intrinsic mathematics are key components of the game, and the game tells an absorbing story, which is a component of game play that some theorists feel is essential to deeper learning. http://www.kosjourney.com/