Bit of a bug - in the scond challenge, the cache link serves with an application/octet-stream (i.e. undefined and unidentifiable) MIME type, which Firefox and Chrome both treat as a file to download instead of a page to render. It also doesn't appear to correspond to any archive or package format known to file(1) - presumably it's meant to expand as a directory or something, I dunno?
I really like the conceit of this game, though! It's an exciting idea, and there's something subversive about it that's powerfully appealing - especially since I was not unfamiliar, in an earlier life, with the need to deploy craft and artifice in the same cause around which this game revolves. I'd be super excited to see a more polished version with the bugs ironed out! ❤