• 3 College Library

• 9 Human-alien encounters
• 7 Combat
• 6 Imaginary wars and battles
• 5 Battles
• 4 Extraterrestrial beings
• 4 Life on other planets
• 3 Gunfights
• 3 Imaginary places
• 3 Science fiction
• 3 Space ships
• 3 Star Wars films
• 2 Adventure video games
• 2 Competitions
• 2 Flight simulation video games
• 2 Interplanetary voyages
• 2 Low altitude aeronautics
• 2 Racing
• 2 Robots
• 2 Soldiers
• 2 Video games
• 1 Alien (Motion picture)
• 1 Atari video games
• 1 Dystopias

• 9 Electronic Arts (Firm)
• 5 BioWare Corp
• 3 BioWare Corp.
• 3 Microsoft Corporation
• 2 343 Industries
• 2 Bungie (Firm)
• 2 LucasArts (Firm)
• 2 LucasFilms Games
• 2 Microsoft Studios
• 2 Sony Computer Entertainment
• 2 THQ Nordic Inc.
• 1 Aspyr Media, Inc.
• 1 Atari, Inc
• 1 Atari, Inc.
• 1 Centuri, Inc. (Firm)
• 1 Deep Silver (Firm)
• 1 Fishlabs (Firm)
• 1 Koch Media
• 1 Limited Run Games
• 1 Llamasoft Ltd
• 1 Microsoft Game Studios
• 1 Nintendo of America Inc.
• 1 Payne, Dave
• 1 Respawn Entertainment
• 1 SNK Playmore (Firm)

• 22 English
• 3 French
• 2 Spanish

• 1 Outer space

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