Observed arrival · 2026-09-10

Planet X, a procedural civilization history engine

planet-x.app Observed source

Editorial interest 82/100 Selection signal · not a rating of the site

A browser-based simulator generates continents, nations, cultures, dynasties, characters, conflicts, and discoveries, then lets you explore their history across time.

Landing page captured for the 2026-09-10 issue.

Field notes

The explorer models a world through seeded geography, political states, cultures, dynasties, characters, alliances, conflicts, and discoveries, with the resulting history available as a chronological record. The visible interface shows X year 3001, day 3, a 100× time-compression setting, and scenario modes including Canonical, Harmonious, Fractured, and Hypertech. The page also describes reproducible world links and a World History Book preview; custom rules, branching timelines, and PDF or JSON export are attributed to the planned Pro edition.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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