It's a reference to another game.
Also the two buttons on the right are a walkthrough.
The games folder has a saved game folder, and they are stored in [page number]-[page slot] format.
The links to mega on Patreon are working, but I do sometimes have to update them. This means that if you have received an email from when the post comes out, or if some other site has copied the links, these will all break. It shouldn't be a problem though, as I said the links in the patreon post work fine so you'll just have to go there.