• 1 College Library

• 11 Imaginary wars and battles
• 8 Demonology
• 4 Nazis
• 3 Assassins
• 3 Video games
• 3 War games
• 2 Civilization
• 2 Missing persons
• 2 Social life and customs
• 2 Sony video games
• 2 Twin sisters
• 1 Adventure video games
• 1 Human-alien encounters
• 1 Marines
• 1 Prisons
• 1 Science fiction
• 1 Space stations
• 1 Space warfare
• 1 Survival-horror video games
• 1 War video games

• 2 Id Software, Inc
• 2 Id Software, Inc.
• 2 Sony Interactive Entertainment America LLC
• 2 ZeniMax Europe Limited
• 1 Arkane Studios
• 1 Nintendō Kabushiki Kaisha

• 17 English

• 3 Mars (Planet)
• 2 Paris (France)
• 2 United States
• 1 France
• 1 Paris

Limit year range