I left some time ago, but I was missing the quests and came back to give them a play for old time's sake. Lo and behold, Drills gives me a Subeautique piece. I used to collect the Subeautique lines, keeping duplicates in a gallery and had most of the sets completed. I was wondering if there's a list somewhere of the entire lines including ones I missed out on. Are the achievements up to date or is there any sets missing?

The achievements are up to date as far as I'm aware. The best place to see all the lines out from old to newest is subetalodge.

Thank you!

Welcome! Good luck with the hunt if you opt to get sets you've missed!

Just to save you searching for each line individually: https://www.subetalodge.org/subeautique_previews

Thanks! :)