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Dystopia is a very dark future, the opposite of utopia. May contain, but is not limited to,  themes like chaos, pollution, censorship, dictatorship.

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

Self-published, small-circulation booklets of original and appropriated texts and images on controversial or niche topics in unpolished or unusual layouts, or some combination of some of that, maybe.