Dark Guest contains four separate games for use in cyber education. They range from a detailed card based game about techniques used in hactivism to a command post style exercise for senior leaders. The purpose of these game is to educate players in a number of different aspects of hacking, hacktivism and cyber warfare and to provide a light hearted break from Power Point lectures on the subject. The authors have many years experience in information management, cyber warfare and game design. John Curry is an academic and editor of the History of Wargaming Project. Tim Price MBE is an army officer with over 25 years experience in simulation and gaming. Together they bring their experience together to create a valuable resource for education and training.