Interesting, this is the only example given that I was able to confirm does not work. I'm glad this discussion is making you consider contacting the author. I feel like we've dug ourselves into an IE-shaped hole all over again and this kind of grassroots action is very important for getting out.

As an aside, immediately upon seeing the website, I had a split-second thought of the content reminding me of Don't Starve. Amusingly, the website turns out to be about Oxygen Not Included, another Klei game. :-)