Cults don't necessarily have to be evil or out to destroy the world, but in video games it's usually safe to assume so.
Darkness is used in games to restrict access, increase tension, or just to set a mood. Often the player has access to a light source that can mitigate its effect.
Games that fit this category involve characters that can traverse different dimensions.
The severing of limbs is a good way for designers to make every battle a bloodier, gorier mess. Or sillier in the right situations.
An evil organization is a group of super-villans who are hell bent on world domination or something of a similar nature. Usually defeated by a single Spy/Superhero/Average Joe/small child.
When will those crazy scientists learn? Be it killer robots, invasions from outer space, sentient computers or mutations; they always seem to have the habit of leaving a big mess behind for you to clean up.
First-Person is a vantage point that attempts to simulate looking through a game character's eyes. It is most commonly found in First-Person Shooters and Racing Games, and to a lesser extent in other genres, such as RPGs and 3D Platformers.
Some rooms have faulty lights that flick on and off. Often this is used in horror games to help build an unsettling atmosphere.