Generate campaign-ready RPG elements in seconds — no account required.
Use the sidebar generator control panel to customize parameters, then trigger the generation engine to forge details.
Generated drafts appear here automatically. Choose which ones to reuse as context or save to Codex.
GM Reference
At the Table
GM utility details appear here after generation.
Create a coherent sci-fi star system for your campaign — not just an astronomical inventory. Choose its system type, genre, civilisation level, character, and scientific realism, then generate a star (or stars), major bodies, factions, resources, hazards, and a system-wide conflict or mystery worth building a campaign around.
Set your inputs — your draft updates to the right
It generates a complete sci-fi star system: the star or stars, 3-12 named major bodies (planets, moons, asteroid belts, stations, or anomalies), the factions competing for influence, the system's strategic resource, a named travel hazard, and a system-wide conflict or mystery with playable adventure hooks.
No. The generator is built to answer why anyone cares about the system, not just what orbits the star — every major body, faction, and hazard ties back to the system's central stakes.
Yes — select Develop This World on any named body in the result to open the Sci-Fi World Generator with that body's context pre-filled, so the world you build fits the system it came from.
Yes. Generate and copy star systems on this page without logging in. Save the draft directly into a browser-local Codex Cryptica vault — no sign-up required.