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Games that try to simulate real-world activities (like driving vehicles or living the life of someone else) with as much realism as possible. Simulators generally require more study and orientation than arcade games, and the best simulators are also educational.

Science-fiction. Commonly including things like aliens, advanced technology, and settings of outer space or distant planets. 

Work centered on following a character through the ups and downs during a notable part of their life. There's often more of an emphasis on characterization, relationships, and a series of dramatic events than on strict adherence to conventional story structures and plotlines.