• 3 College Library

• 2 Hand-to-hand fighting
• 2 History
• 2 Quests (Expeditions)
• 1 Assassins
• 1 Battles
• 1 Eschatology
• 1 Fathers and sons
• 1 Gods, Norse
• 1 Imaginary places
• 1 Imaginary wars and battles
• 1 Mythology, Norse
• 1 Ninja
• 1 Revenge
• 1 Sony video games
• 1 Swordplay
• 1 Vikings

• 1 Activision (Firm)
• 1 Havok (Firm)
• 1 Santa Monica Studio
• 1 Sony Interactive Entertainment America LLC
• 1 Ubisoft (Firm)

• 3 English
• 1 French

• 1 Europe
• 1 Japan

• 3 Computer games
• 3 Sony video games
• 2 Computer adventure games
• 2 Video games
• 1 Xbox video games

Limit year range