• 5 College Library

• 11 Battles
• 11 Combat
• 6 Space warfare
• 5 Imaginary places
• 4 Extraterrestrial beings
• 4 Heroes
• 4 Soldiers
• 3 Fantasy games
• 3 Gunfights
• 3 Life on other planets
• 3 Space ships
• 3 Star Wars films
• 3 Weapons
• 2 Cartoon characters
• 2 Competitions
• 2 Human-alien encounters
• 2 Low altitude aeronautics
• 2 Racing
• 2 Special forces (Military science)
• 2 Video games
• 2 War video games
• 1 Dystopias
• 1 Fantasy fiction

• 4 Activision (Firm)
• 4 Blizzard Entertainment (Firm)
• 4 Bungie (Firm)
• 3 Microsoft Corporation
• 2 343 Industries
• 2 Electronic Arts (Firm)
• 2 LucasFilms Games
• 2 Microsoft Studios
• 2 Nicalis, Inc
• 2 Nintendo of America Inc.
• 2 Sony Computer Entertainment
• 2 THQ Nordic Inc.
• 1 2K (Firm)
• 1 Coalition (Firm)
• 1 From Software, Inc
• 1 Kuju Entertainment, Ltd
• 1 LucasArts (Firm)
• 1 Namco Bandai Games America (Firm)
• 1 Saber Interactive (Firm)
• 1 THQ (Firm)
• 1 Xbox Game Studios

• 24 English
• 4 French
• 3 Spanish

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