Browse by Category
Every scenario sorted by the kind of history it's rewriting.
Technology
Inventions and devices that quietly reshaped daily life — or might have, had they gone differently.
20 scenariosScience & Medicine
Discoveries that changed what was possible in the lab, the clinic, and the body.
19 scenariosWar & Politics
The decisions, battles, and treaties where a small shift could have redrawn the map entirely.
19 scenariosCulture & Society
The ideas, habits, and everyday goods that spread — or might never have spread — around the world.
18 scenariosHistory & Exploration
Ancient turning points and voyages where a different outcome would echo for centuries.
19 scenariosPresent & Future
Not history rewritten — the world exactly as it stands today, disrupted by one sudden change starting now.
18 scenariosArtificial Intelligence
Not history rewritten — today's AI, disrupted by one sudden capability or event starting now.
20 scenarios