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Ludum Dare is a 48 and 72 hour game making competition globally hosted over the internet; Ludum Dare 33 ran from August 21st to August 24th, 2015, with the theme "You are the Monster".

Near infinitely replayable games that usually feature, random generation, perma-death, and brutal difficulty. 

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