Chapter 1 of the Civilization Battle Royale novel is indeed out. Cadellin.net now hosts up-to-date PDFs and eBook formats of the novel- you can read the whole book in one place for free over on the page for the project.
Finally, a big shout out to the mighty Dawkinzz, who has made an impressive audiobook version of the prologue! You can view that over here:
Personally, I found the audio absolutely amazing. I listened to it on my lunch break at work today, and found myself unable to stop grinning for the remainder of the day.