Free downloads for unit costs, AI mode rules, and the RPG expansion character sheet are available at Modiphius Wasteland Warfare 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 . download-fallout-the-games-download-zip
The modern official tabletop game, by Modiphius Entertainment, offers several free digital resources: Free downloads for unit costs, AI mode rules,
Before the official 2d20 system, several fan-made "Fallout PnP" systems were created: Free downloads for unit costs
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 .