Video Games That Start With O

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Answer

High school students must survive against their mutated classmates who are sensitive to light.

An octopus, posing as a human man, attempts to complete various household chores and tasks.

Set in ancient Japan, this game tells the story of how the land was saved from darkness by the sun goddess Amaterasu.

War mage must defend magical rifts from an onslaught of orcs.

Drive a wagon across 19th century America, while avoiding dying of dysentery, or measles, or cholera, etc.

Investigative journalist visits a remote psychiatric hospital and must run and hide from its homicidal patients.