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Archives of Nethys

Pathfinder RPG (1st Edition) Starfinder RPG Pathfinder RPG (2nd Edition)

All Rules | Downtime Rules
Infinite Worlds / Building Worlds

Step 1: World Type

Source Galaxy Exploration Manual pg. 46
You can choose to create a relatively standard terrestrial world—one that’s naturally habitable and replete with one or more biomes (see Step 3)—or you can roll on (or choose from) the Astronomical Object table for the possibility of something stranger. See pages 394–395 of the Starfinder Core Rulebook for more about gas giants, irregular worlds, and satellites.

Astronomical Object

D%Type of World
1–50Terrestrial
51–70Gas giant
71–85Irregular
86–90Satellite
91–95Asteroid
96–97Colony ship
98–100Space station