Introduction Matthew McCaffrey; 1. The Economic Meaning of Play: Ludology and Praxeology in Video Game Worlds Matthew McCaffrey; 2. Spontaneous Order and Video Game Narrative Zachary Gochenour; 3. Law and Economics in a World of Dragons Robert S. Cavender; 4. Minerals, Titans, and Connections: The Political Economy of Empire in the World of 'EVE Online' Stephen Davies; 5. The Origins of Money in 'Diablo II' Solomon M. Stein; 6. A Virtual Weimar: Hyperinflation in 'Diablo III' Peter C. Earle; 7. The Facilitate or Acquire Decision: The Tipping Points for Strategies Towards User-Generated Content in Massive Multiplayer Online Game Platforms Robert Conan Ryan; 8. Mod the World: How Entrepreneurs Learn from Video Game 'Modding' Communities William Gordon Miller; 9. Levels without Bosses? Entrepreneurship and Valve's Organizational Design Ulrich Möller and Matthew McCaffrey.