3 United States. Department of Defense 3 United States. Joint Chiefs of Staff 2 Army War College (U.S.) 2 Naval War College (U.S.) 1 Defence Science and Technology Group (Australia) 1 Hoover Institution Library & Archives 1 North Atlantic Treaty Organization 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

5 Games 4 Reports 3 Interviews 1 Manuals

10 English

13 Land/ground 10 Air 10 Naval 9 Military (officers and civilians) 7 Defense/War Department 6 Interstate conflict 5 Declassified 4 Unclassified 3 Military campaign games 3 Teaching 2 Nuclear 2 Nuclear warfare 2 Strategic planning 2 Subject Matter Experts (SMEs) 1 Academic 1 Authoritarian 1 Convenience sample (public) 1 Counterinsurgency (COIN) 1 Cyberinfrastructure 1 Governance games 1 Humanitarianism 1 SIGMA Games 1 Space 1 State building 1 Think tanks 1 Virtual

6 Real countries/players 6 Strategic crisis games 4 20+ players 4 3+ moves 4 Multi-sided 2 2 moves 2 Fictional countries/players 2 Free/open adjudication 2 Hybrid 2 Large player games 1 1 side 1 1.5 sides 1 2 sides 1 Analytic games 1 Declassified games 1 Experimental games 1 Military campaign games 1 Semi-rigid adjudication 1 Tabletop games 1 Think tank games 1 Think-tank games