• 1 College Library

• 7 Combat
• 6 Imaginary wars and battles
• 6 Space warfare
• 5 Human-alien encounters
• 5 Life on other planets
• 3 Shooting
• 2 Aliens (Motion picture)
• 2 Extraterrestrial beings
• 2 Hackers
• 2 Piloting
• 2 Quests (Expeditions)
• 2 Space vehicles
• 2 Star Wars films
• 2 Survival
• 1 Androids
• 1 Battles
• 1 Cold War
• 1 Conspiracies
• 1 Espionage
• 1 Fantasy
• 1 Mercenary troops
• 1 Military robots
• 1 Monsters
• 1 Nintendo video games
• 1 Nuclear warfare

• 4 Electronic Arts (Firm)
• 2 BioWare Corp.
• 2 Gearbox Software
• 2 Ubisoft (Firm)
• 1 Bethesda Softworks (Firm)
• 1 Konami Digital Entertainment, Inc.
• 1 Microsoft Corporation (Firm)
• 1 Monomi Park
• 1 PlatinumGames Inc.
• 1 Reef Entertainment Ltd.
• 1 Saber Interactive (Firm)
• 1 Skybound games
• 1 Sony Computer Entertainment
• 1 Teyon (Firm)

• 17 English
• 3 French
• 3 Spanish
• 1 Chinese
• 1 German
• 1 Italian
• 1 Japanese
• 1 Korean
• 1 Polish
• 1 Romance (Other)
• 1 Russian

• 2 England
• 2 London
• 2 London (England)
• 1 Outer space
• 1 Washington (D.C.)

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