• 13 College Library

• 25 Survival
• 17 Combat
• 13 Imaginary wars and battles
• 12 Shooting
• 8 Video games
• 7 Battles
• 7 Robots
• 6 Private military companies
• 6 Special forces (Military science)
• 6 Zombies
• 5 Sony video games
• 5 Waste lands
• 4 End of the world
• 4 Monsters
• 4 Nuclear warfare
• 4 Social aspects
• 4 Weapons
• 3 Cyborgs
• 3 Epidemics
• 2 Alternative histories (Fiction)
• 2 Cyberpunk culture
• 2 Germans
• 2 Human-alien encounters
• 2 Imaginary places

• 7 Sony Interactive Entertainment America LLC
• 6 Activision (Firm)
• 6 Deep Silver (Firm)
• 4 Bethesda Softworks (Firm)
• 4 Gearbox Software
• 4 Microsoft Corporation
• 4 Warner Bros. Interactive Entertainment
• 3 Naughty Dog, Inc.
• 3 Sony Computer Entertainment
• 2 Avalanche Studios
• 2 CD Projekt S.A. (Firm)
• 2 Focus Entertainment (Firm)
• 2 Guerrilla Games (Video game company)
• 2 Holospark (Firm)
• 2 InXile Entertainment (Firm)
• 2 Mundfish (Firm)
• 2 inXile Entertainment Inc. (Firm)
• 1 2K Games, Inc
• 1 2K Games, Inc.
• 1 505 Games (Firm)
• 1 Acclaim Entertainment, Inc
• 1 Aerosmith (Musical group)
• 1 Aksys Games (Firm)
• 1 Arc System Works
• 1 Blue Twelve Studio

• 47 English
• 5 French
• 4 German
• 4 Italian
• 4 Russian
• 3 Spanish
• 2 Polish
• 2 Portuguese

• 3 United States
• 2 England
• 2 Great Britain
• 2 Moscow (Russia)
• 2 West (U.S.)
• 2 West United States
• 1 Soviet Union

Limit year range