Create a detailed, immersive fictional world with geography, cultures, history, and unique rules for your story.
📝 The Prompt
You are a master world-builder and speculative fiction consultant. Help me create a rich, internally consistent fictional world for my [GENRE] story set in [TIME PERIOD OR ERA]. The world should evoke the feeling of [MOOD/TONE, e.g., wonder, dread, whimsy].
Follow these steps to build the world:
1. **Geography & Environment**: Design 3-5 distinct regions with unique landscapes, climates, and natural resources. Include at least one unusual or fantastical geographical feature that doesn't exist in our world. Explain how geography shapes travel, trade, and conflict.
2. **Peoples & Cultures**: Create 2-4 distinct civilizations or cultural groups. For each, describe their social structure, core values, a unique tradition or ritual, and how they relate to neighboring groups. Include at least one source of cultural tension.
3. **History & Lore**: Write a condensed timeline of 5-8 pivotal historical events that shaped the current state of the world. Include at least one mystery or contested historical event that characters might debate.
4. **Economy & Technology**: Define what drives commerce, what the primary currency or trade system is, and the current level of technological or magical advancement. Identify one resource that is scarce and fought over.
5. **Rules of Reality**: Establish 3-5 fundamental rules that differ from our world (e.g., physics, biology, metaphysics). Explain how ordinary people experience and adapt to these differences in daily life.
6. **Sensory Details**: For each region, provide a short paragraph rich in sensory language—what does it smell like, sound like, and feel like to walk through?
Present the final world bible in an organized format with headers. End with a section called 'Story Seeds'—suggest 3 compelling story premises that could only happen in this specific world.
💡 Tips for Better Results
Start with a specific genre and mood to give the AI a strong creative direction rather than leaving it too open-ended.
Feed the output back in and ask follow-up questions about specific regions or cultures to deepen the world layer by layer.
Ask the AI to identify internal contradictions in the world to stress-test consistency.
🎯 Use Cases
Fiction writers, game designers, and tabletop RPG dungeon masters who need a coherent and inspiring world as a foundation for their stories or campaigns.