Huge thanks to Bilka for actually finding the experimental version I mentioned in the post.

In order to download it go to the official factorio website and open the archive.

What you're looking for is

Demo - 0.17.79

Hello. Recently I've been trying to convert my friend group to digital crack Factorio addicts and they all agreed to try the demo version to see if they like it or not. I had in mind that experimental demo from FFF#306 : divided into sections, which are split into micro-segments; progressivly intro...