10 United States. Department of Defense 9 United States. Joint Chiefs of Staff 6 U.S. Army Command and General Staff College 4 North Atlantic Treaty Organization 3 Army War College (U.S.) 3 Naval War College (U.S.) 3 United States. Advanced Research Projects Agency 2 Air Force Institute of Technology (U.S.) 2 U.S. Army Research Laboratory 2 United States. Army 2 United States. Central Intelligence Agency 2 United States. Department of Defense. Office of the Secretary of Defense 1 Army War College (U.S.). Center for Strategic Leadership and Development 1 CNA Corporation 1 Canada 1 Center for Army Analysis (U.S.) 1 Defence Academy of the United Kingdom 1 Defence Science and Technology Group (Australia) 1 Foreign Service Institute (U.S.) 1 Great Britain. Ministry of Defence 1 Joint Military Intelligence College (U.S.) 1 National Defense University 1 National Intelligence Council (U.S.) 1 Naval Postgraduate School (U.S.) 1 Research Analysis Corporation 1 Sweden 1 U.S. Army Command and General Staff College. School of Advanced Military Studies 1 United States. Department of State. Office of the Historian 1 United States. Joint Forces Command 1 United States. Joint War Games Agency 1 United States. National Military Command System Support Center

28 Reports 8 Thesis 5 Catalogs 5 Games 4 Memorandums 2 Manuals 1 Articles 1 Monographs 1 Research

38 Military (officers and civilians) 20 Land/Ground 19 Naval 17 Real country 15 Unclassified 13 Air 13 Subject Matter Experts (SMEs) 12 Declassified 11 Academic 11 Interstate conflict 10 Nuclear 10 Strategic planning 8 State Department/Foreign Ministry 5 Information Technology 4 Humanitarian 4 Made-up countries 4 Missiles 3 Climate/Environmental disaster 3 Intra-state violence 3 Land/ground 3 Logistics 3 Students 2 Cyber 2 EW 2 Economic 2 Space 2 Think Tank 1 Convenience sample (public) 1 Democracy 1 Executive Cabinet 1 Humanitarianism 1 Nuclear warfare 1 Pandemic/Biological disaster 1 Pricing/Markets 1 Private Industry 1 Teaching 1 Virtual

20 Military campaign game 17 3+ Moves 14 Strategy/Crisis game 13 Multi-sided 10 20-100 Players 10 Deterministic/Stochastic 10 Hybrid 8 2 Sides 8 Virtual interface 7 Free/Open Adjudication 6 1 Side 6 Strategic crisis game 6 Tabletop game 5 2 Players 5 Board game 4 3+ moves 4 6-20 Players 4 Real countries/players 3 1 Move 3 Disaster game 3 Historical game 3 Observational/Brainstorming game 2 1 Player 2 100+ Players 2 20+ players 2 3-5 Players 2 Analytic game 2 Counter-insurgency game 2 Fictional countries/players 2 Semi-rigid Adjudication 2 Semi-rigid adjudication 2 Strategic crisis games 1 1 side 1 1.5 Sides 1 2 Moves 1 2 sides 1 Analytic games 1 Business game 1 Counterinsurgency games 1 Experimental game 1 Free/open adjudication 1 Large player game 1 Large player games 1 Military campaign games 1 Real country 1 Small player game 1 Small player games 1 Think-tank games 1 Two sides