• 1 College Library

• 13 Computer file

• 7 Imaginary wars and battles
• 5 Combat
• 4 Shooting
• 3 Battles
• 3 Soldiers
• 2 Extraterrestrial beings
• 2 Human-alien encounters
• 2 Science fiction
• 2 Star Wars films
• 1 Adventure video games
• 1 Alien (Motion picture)
• 1 Fantasy
• 1 Fantasy fiction
• 1 Flight simulation video games
• 1 Gunfights
• 1 Interplanetary travel
• 1 Nintendo video games
• 1 Sony video games
• 1 Space ships
• 1 Video games
• 1 War video games
• 1 Xbox One (Video game console)

• 6 Microsoft Corporation
• 4 Bungie (Firm)
• 3 343 Industries
• 2 Gearbox Software
• 2 Microsoft Game Studios
• 2 Microsoft Studios
• 1 LucasArts (Firm)
• 1 Perpetual-Europe Ltd
• 1 Sega of America (Firm)

• 13 English
• 1 French

• 12 Video games
• 7 Computer war games
• 7 Xbox video games
• 2 Computer adventure games
• 1 Sony video games
• 1 Xbox 360 (Video game console)

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