I'm keeping a close eye on this game. What I've seen based on the actual product and the source code that is available on GitHub:
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that the game's framework is still being worked on as well as the UI, the infrastructure and asset pipeline that is used to build the game. It has already been said that this project is enormous and big project rules apply to it. This requires a lot of extra work to be done that has nothing to do with story writing. I really wonder if ThaumX will have the energy / will / mood to put a story into the game, once everything falls into place.
There's not much art or game assets (story text, pictures, etc.) in the game (whatthe player sees), but I'm expecting this part of the game to rapidly grow after the framework has been finished. If I'm wrong then I'll probably bail from supporting the project on Patreon.
It is an interesting programming project so far, but in it's current state nothing more. We will see this year if the it will become a game (better said: a good NSFW game) or just another proof of concept.