• 2 College Library

• 15 Shooting
• 10 Battles
• 7 Imaginary wars and battles
• 7 Space warfare
• 6 Dystopias
• 5 Special forces (Military science)
• 5 Survival
• 4 Private military companies
• 3 Human-alien encounters
• 3 Life on other planets
• 3 Robots
• 2 Aliens (Motion picture)
• 2 Cyborgs
• 2 Demonology
• 2 Epidemics
• 2 Jedi (Fictitious characters)
• 2 Mercenary troops
• 2 Soldiers
• 2 Sony video games
• 2 Star Wars films
• 2 Video games
• 2 World War, 1939-1945
• 2 Zombies
• 1 Adventure video games

• 4 Activision (Firm)
• 4 Electronic Arts (Firm)
• 3 Clancy, Tom, 1947-2013
• 3 Ubisoft (Firm)
• 2 Aspyr Media, Inc.
• 2 Avalanche Studios
• 2 Bethesda Softworks (Firm)
• 2 Deep Silver (Firm)
• 2 Face FX (Firm)
• 2 Havok (Firm)
• 2 Lucasfilm, Ltd
• 2 Microsoft Corporation
• 2 Snowdrop (Firm)
• 2 Sony Computer Entertainment
• 2 Square Enix (Firm)
• 2 THQ Nordic (Firm)
• 1 343 Industries
• 1 BioWare Corp.
• 1 Bungie (Firm)
• 1 Coalition (Firm)
• 1 Final Strike Games (Firm)
• 1 Fishlabs (Firm)
• 1 HandyGames (Firm)
• 1 Id Software, Inc
• 1 Id Software, Inc.

• 26 English
• 5 French
• 3 Spanish
• 1 German
• 1 Italian
• 1 Russian

• 2 Mars (Planet)
• 2 Washington (D.C.)
• 1 Moscow (Russia)
• 1 South Africa
• 1 South America

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