A collection of lore and early design documents for a Fallout 3 project (Van Buren) that includes early pen-and-paper testing notes, often hosted as a PDF on sites like GOG. Fallout: The Roleplaying Game Downloads
Various versions (like 1.1 or 2.0) of these community-made rulebooks can be found on document-sharing sites like Scribd or Internet Archive .
For the Fallout "pen and paper" roleplaying game, you can download official character sheets, rulebooks, and starter materials directly from the following sources: Official Roleplaying Game Downloads
You can download standard and printer-friendly character sheets for humans and robots, as well as pregenerated characters, from the Modiphius Fallout Downloads page .
Official rulebook updates and errata are available for download. Miniature & Skirmish Game Resources
Free downloads for unit costs, AI mode rules, and the RPG expansion character sheet are available at Modiphius Wasteland Warfare Downloads .