I’ve completed a pile of Nanowrimo novels over the years. One has been published, two more are in the pipeline. I left when I learned their stance on permitting AI writing. Now, they’re going under.
If you’re in Second Life, Moxie Madness at Milk Wood is a great alternative.
Blogger Inara Pey has a super-helpful article that describes all the Milk Wood writing challenges, including November’s Moxie Madness. Of Milk Wood and Writers in Second Life
Official Website of Virtual Writers in Second Life