• 20 College Library

• 59 Combat
• 27 Battles
• 24 Imaginary wars and battles
• 23 Survival
• 22 Space warfare
• 15 Dystopias
• 11 Human-alien encounters
• 9 Hand-to-hand fighting
• 8 Extraterrestrial beings
• 8 Imaginary places
• 7 Adventure video games
• 7 Weapons
• 6 Civil war
• 6 Special forces (Military science)
• 6 Video games
• 5 Crime
• 5 Military art and science
• 5 Robots
• 5 Science fiction
• 5 Soldiers
• 4 Demonology
• 4 Epidemics
• 4 Fantasy games
• 4 Heroes

• 25 Electronic Arts (Firm)
• 18 Ubisoft (Firm)
• 16 Activision (Firm)
• 15 Microsoft Corporation
• 8 Bungie (Firm)
• 8 Clancy, Tom, 1947-2013
• 6 Nintendo of America Inc.
• 6 Warner Bros. Interactive Entertainment
• 5 BioWare Corp
• 5 Deep Silver (Firm)
• 5 Sony Computer Entertainment
• 4 Blizzard Entertainment (Firm)
• 4 Nintendo of America Inc
• 3 BioWare Corp.
• 3 CD Projekt S.A. (Firm)
• 3 Koch Media
• 3 Sega of America (Firm)
• 3 Square Enix (Firm)
• 3 WB Games (Firm)
• 2 2K (Firm)
• 2 2K Games, Inc
• 2 343 Industries
• 2 Face FX (Firm)
• 2 Havok (Firm)
• 2 Insomniac Games

• 16 French
• 10 Spanish
• 4 German
• 4 Italian
• 4 Russian
• 1 Chinese
• 1 Japanese
• 1 Korean
• 1 Polish
• 1 Portuguese

• 5 Himalaya Mountains
• 3 Los Angeles (Calif.)
• 2 Miami (Fla.)
• 2 Montana
• 2 Moscow (Russia)
• 2 New York
• 2 New York (N.Y.)
• 2 New York (State)
• 2 Washington (D.C.)
• 1 California
• 1 Europe
• 1 France
• 1 Hong Kong (China)
• 1 Los Angeles
• 1 Normandy
• 1 Outer space
• 1 South America
• 1 Soviet Union

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