Clockpunk

A number of cyberpunk derivatives have become recognized as distinct subgenres in speculative fiction. These derivatives, though they do not share cyberpunk's computers-focused setting, may display other qualities drawn from or analogous to cyberpunk: a world built on one particular technology that is extrapolated to a highly sophisticated level (this may even be a fantastical or anachronistic technology, akin to retro-futurism), a gritty transreal urban style, or a particular approach to social themes.

The most successful of these subgenres, Steampunk, has been defined as a "kind of technological fantasy", and others in this category sometimes also incorporate aspects of science fantasy and historical fantasy. Scholars have written of these subgenres' stylistic place in postmodern literature, and also their ambiguous interaction with the historical perspective of postcolonialism.

American author Bruce Bethke coined the term "cyberpunk" in his 1980 short story of the same name, proposing it as a label for a new generation of punk teenagers inspired by the perceptions inherent to the Information Age. The term was quickly appropriated as a label to be applied to the works of William Gibson, Bruce Sterling, John Shirley, Rudy Rucker, Michael Swanwick, Pat Cadigan, Lewis Shiner, Richard Kadrey, and others. Science fiction author Lawrence Person, in defining postcyberpunk, summarized the characteristics of cyberpunk thus:

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