Hi, everyone, thank you for your time.

There is a ton of info on how to run modules or steal ideas and encounters from them. However, I am looking for advice on the exact opposite and haven't had any luck.

The question in short:

How do I go about writing published adventures for other people to pick up and run? What info is necessary, what info is unnecessary, and what is just distracting?

Tangential background:

In my decade of GMing I have used a published adventure exactly once - it was an awful experience, nothing went to plan, and I felt much more prepared than I actually was. I have never done it since.

However, I am currently writing my own ttrpg system. It's going along great but before I even think about promoting an alpha release, I want to create a "Pick up and play" set - including basic, pre-created character archetypes and an adventure/mission, so you could jump in and try it out whenever.

I usually throw my players into a sandbox and plan every session indivi