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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.

Games that defy the traditional approach to game design and offer unique, interesting and often strange experiences.

Games that aim to startle and unnerve the player.

Games which have short playtimes and can usually be completed in one sitting.