Dark Guest contains five separate games for use in education about cyber warfare and information security. The games cover a range of topics from defending a single company to an exercise about a nation state under cyber based attack. The games include: Enterprise Defender: Protecting a Modern Business All Your Secrets Are Belong to Us: a Matrix Game Conspiracy! The Card Game Media Wars: The Battle to Dominate the Information Space Tallinn Soldier: A Sample National Crisis Game Based in Estonia in 2007 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.