This isn't abandoned.
The author has a lot going on that they want to prioritize. One of them being their mental health. So Zorlok, while not dropped, is going to be worked on at a slower pace.
They mentioned that an expanded prologue is almost done but ep1 is still undergoing changes, and that they will update the itch.io page as soon as they can.
Source: tumblr, 4 months ago
Just be patient y'all.