Clockwork Game Design contains the most functional and directly applicable theory for game designers. It takes an extremely broad view of the world of game design and focuses on what makes games timeless. The approach is based on the concept that a game can best achieve clarity of purpose by starting with core mechanics and then building these mechanics from the ground up. Filled with examples and exercises of how to design a game from the ground up, Clockwork Game Design is a must-have manual when it comes to designing games.