Maybe
this?
Edit: I think it's difficult to find an in-depth step by step tutorial (like how should you make your variables etc) because each author's approach to coding seems to be pretty different. If you haven't already, try codediving into a few twine games from different authors and try to emulate how they use sugarcube/twine to get the hang of things
These are not what you were looking for, but I thought maybe it could be useful. Some guides I found on Tumblr:
- from
idrelle games (author of wayfarer wip)
- a pinned post on
manonamora-if redirects you to their twine guide masterlist hosted on a forum about interactive fiction (that's not choice of games)
You can find a lot more of these guides if you type "twine tutorial" or "sugarcube tutorial" in tumblr's search bar. Sorry if this isn't exactly what you're looking for, but good luck on your first game!