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Featuring tense atmospheres, unsettling themes, and often supernatural elements designed to frighten or disturb players. Games in this category may include jump scares, psychological terror, or survival elements set in eerie environments.

An otome game is a story based video game that is targeted towards the female market. Generally one of the goals, besides the main plot goal, is to develop a romantic relationship between the female player character and one of several male or female characters.

http://en.wikipedia.org/wiki/Otome_game

Games where the primary goal is keeping the player character alive under harsh circumstances such as dwindling resources or a hostile environment.