Text-Adventure game (and /or MUD)

I complete both Lesson S03 Text Adventure 101 in Unity 1.0 course (and I like it very much) and Terminal game in Unity 2.0 (I like it too).
These projects are very convenient and, as I see, ideal for the entry level.
But I am also very interesting in more (advanced/intermediate ?) C# based text-based game or MUD with more options/flexibility. I try to use official Unity live trainng
“Unity - Creating a Text Based Adventure” https://www.youtube.com/watch?v=jAf1I1UWo5Q but it look complicated for me. And I need something not so fast and more detailed (with a more detailed explanation).
Next one request : also MUD - multi user dungeon (maybe) a is a good and simple example how to work with networking/server.

I am interesting in this because as a Game Designer I am mostly work with a text. Lore, story, quests… and I would like to be able to do the complicated game myself, not talking constantly for help to programmers if I want to implement more features.

And I am definitely ready to pay full price for this type of course.

p.s. Excuse me, my English is very bad . That would be nice if you correct me.

If what you want is to make text-based games, try Inform as it has documentation that can be read right in the editor! You can even have your source text and the relevant manual page side by side.

Thank you, @Jorin_Gedamke, in fact I am already try it (as many other software).
But I try to do this game in Unity because I am also need implement many others functions to make this commercial grade product.

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