Writer's Tool

Sci-Fi Writing
Prompt Generator

Generate prompts for science fiction stories — from hard SF to space opera. Characters, technology, worlds, and plots.

Select a category and scale, then hit Generate Prompt.

Sci-fi prompt tips

  • Start with the human — even in cosmic-scale stories, ground it in one person's perspective
  • Technology prompts work best when the tech has unintended consequences
  • First contact prompts: the alien should be genuinely alien, not a human in a suit
  • Ask: what does this technology or world do to relationships?
  • Hard SF writers: use the prompt as a premise, then research the science

Also on Cabbage Tree

Fantasy Name Generator → Fantasy Prompt Generator → Explore Sci-Fi Books → Free Sci-Fi Stories →