I have a coop game with my wife too. We have about 40 hours on our clock too, and we just yet entered the Underdark.
At that pace I expect our game to last for years, because in my "normal" run I am at 170 hours and still have plenty to do.
You can of course do it faster, by lowering diffiCulty (we did) and by just following the main quest. But much fun lies in exploring the world and finding the many secrets.

That's a great initiative.
I haven't bought games from big publishers as EA or Ubi for years because of this issue.

you have two problems here:

• save and config files of linux native games. They will usually create a directory somewhere in your home directory - usually under .var or .config
• and then the save and config files for wine enabled games. They are saved in the steamapps/compatdata directory tree together with all the (windows) files wine needs to run the program. One folder for each game.
  you would need a separate compatdata structure for every steam account to keep the saves separated.
  A possible solution would be to create a start script for every steam user that links the respective folder to compatdata, and then starts steam with the correct credentials.
  You may need to separate other folders too, although I am not sure which those may be. Steam itself can do several users, since it's based on the same code as on Windows. So you may just test with swapping the compatdata folder and check what it's doing.

A funny thing: Proton/wine seems to have a mechanic to provide a username. Because on my games installed by Heroic Launcher i find the windows Profile folder (in the Heroic prefixes folder which is equal to steams compatdata) under "c:\Users[Linuxusername]" while in the steam compatdata the folder is just named "c:\Users\user"
I found that out because I recently copied my saves files from some games that are not cloud- saved to their folders.
but I haven't seen a setting in Steam to use different profile folders in Proton. Which means you will most probably break cloud features when trying to enforce this by start parameters.

Yep.
Same for me.
I simply show what´s doing well on Linux, and have fun with that games on my favourite platform. Since most of my favorite games run out of the box I can`t even show how to get them running.

Last games I was streaming were Gwent (the Steam version), Satisfactory and Pioneers of Pagonia.
Tomorrow I want to do a retro special and show OpenTTD.

A Metro system? Finally? I am perplexed.

I tried Pioneers of Pagonia and Foundry yet.

Pioneers is a building strategy game in the tradition of the Settlers series, of which I was a great fan until Ubi ruined it.
Foundry is a mix of factory/automation simulation comparable to Factorio or Satisfactory - and minecraft. With a big priority for factories, and decent system requirements.

Both make a great impression for now, although there are no story elements yet, and no enemies.
So it's just building up your economy. Which is okay for a start. I put both on my wishlist, and I will most probably buy into pioneers on start of EA indecember.
I have small doubts on Foundry whether it will be fun in the long term. Because by now it's "minecraft part" consists only of the materials dirt and stone. And since the factorIes themselfes look rather ugly (compared to satisfactory) I would wish for many stuff to build pretty buildings around them.

When my so was in first grade he once came home from school and told me that he learned about a famous painter called Pablo Pikachu.

But van Gogh is also okay. My son is called Vincent. But he still has two ears.

Pedantry is a terrible guide for user interface design.
Agreed.

But we are talking about a game here, and an UI function that may cause both amusement and a learning effect.
I too played too much games in the past where mindlessly looting every clickable object is considered a viable gaming experience.
the first object you come across in the game explodes if you touch it. So you have been told very early that your actions may cause negative consequences too.

Honestly, this should be considered a bug. The game teaches you that clicking a barrel means approach and open it, and then after you’ve learned that through lots of repetition, it tricks you with an exception that explodes in your face. This is Bad UI 101.

Technically this is not correct. Clicking an object tells your character to interact with it.
On barrels you don't know of its content your dude looks into it to see whats inside.
While on barrels where you already know the content you get provided with diffent interaction options.

PS: i more have a problem with random dudes attacking me, or want to jail me just because i look into a container.
But i won't consider it a bug.

No. Just killed too many Tiefling.
First they held my friend Laezael hostage.
Then they got aggro when I tried to read their mind. Then they wanted to imprison me for looting the corses - as if the corpses had any use for their possessions any longer. And in the end they interfered when I wanted to bring Zazza home through the remains of the Tiefling camp. As if they had not learned to that point...
But even though i helped defend the grove (and the few surviving Tieflings) and they showed great gratitude to me for helping them, Karlach was no longer willing to join my team.

Well. What could an international investigation bring to light that is not already publicly known?

It wasn't a technical mafuction.
Just a terroristic act of russian governemnt against their own population.

I may have two advices: don't talk to the Drow if you want to clear the Goblin camp anyway.
If the enemies are too many and too strong (as the Hobgoblin and his brood) avoid an open battle.

Sorry for not getting clearer but you wanted it spoiler-free.