Manuals, and the site that wouldn't let curl through
Every game's own instruction manual, added as a category on its hub - and a lesson in the difference between a dead link and one that just doesn't like scripts.
Five of six scans turned up on Internet Archive and one more on a plain file host, all reachable and checkable with a HEAD request and a look at the actual bytes rather than a search snippet. The sixth, Emperor's, kept surfacing on sites that all sat behind the same Cloudflare "Just a moment..." challenge this machine already knows not to fight - the identical block this site's own rule cites for MobyGames. A verified copy from the person who asked for the page solved it instead of a workaround.
Every PDF was opened and read before it went in the data, not trusted from a filename. Two of them were rendered to an image of page one to confirm the cover matched the game before publishing a link that claimed it did.