5 North Atlantic Treaty Organization 4 Naval War College (U.S.) 3 United States. Department of Defense 3 United States. Joint Chiefs of Staff 2 Hoover Institution Library & Archives 1 Army War College (U.S.) 1 CNA Corporation 1 Center for Army Analysis (U.S.) 1 Joint Military Intelligence College (U.S.) 1 Naval Postgraduate School (U.S.) 1 Sweden 1 United States. Air Force 1 United States. Central Command 1 United States. Department of Defense. Office of the Secretary of Defense 1 United States. Joint War Games Agency 1 United States. Marine Corps

16 Reports 4 Games 4 Interviews 1 Articles 1 Thesis

28 English

32 Naval 24 Military (officers and civilians) 22 Defense/War Department 15 Air 12 Real country 11 Academic 11 Interstate conflict 9 Declassified 8 Land/Ground 8 Strategic planning 8 Unclassified 7 Subject Matter Experts (SMEs) 6 Land/ground 3 Cyber 3 Humanitarian 3 Nuclear 2 Climate/Environmental disaster 2 EW 2 Information Technology 2 Logistics 2 Made-up countries 2 State Department/Foreign Ministry 2 Students 1 AI/Autonomy 1 Convenience sample (public) 1 Counterinsurgency (COIN) 1 Cyberinfrastructure 1 Defense/war department 1 Economic 1 Missiles 1 Nuclear warfare 1 Pricing/Markets 1 Private Industry 1 Space 1 State building 1 Think Tank 1 Think tanks

12 Strategy/Crisis game 11 Military campaign game 8 20-100 Players 8 Multi-sided 7 1 Side 7 Hybrid 6 3+ Moves 6 Free/Open Adjudication 5 Strategic crisis game 4 100+ Players 4 Military campaign games 3 1 Move 3 2 Moves 3 6-20 Players 3 Experimental game 3 Large player game 2 1.5 Sides 2 2 Sides 2 Deterministic/Stochastic 2 Historical game 2 Observational/Brainstorming game 2 Real countries/players 2 Strategic crisis games 2 Tabletop game 2 Virtual interface 1 1 side 1 2 moves 1 20+ players 1 3+ moves 1 Analytic game 1 Business game 1 Disaster game 1 Fictional countries/players 1 Real country 1 Small player game 1 Think-tank games