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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.

Ludum Dare is a 48 and 72 hour game making competition globally hosted over the internet; Ludum Dare 29 ran from April 25th to April 28th, 2014, with the theme "Beneath the Surface".