

1A, funktioniert ohne Probleme unter Proton

Runs fine!
Install the game and open it, runs fine

Install, hit play
Worked flawlessly

The game launched and ran flawlessly, hanging around 59 to 60 FPS for the full 1 hr & 49 mins of playtime today.
full screen to windowed & resolution changes caused the cursor to freeze. ALT TAB DEL to bring up the menu then clicking cancel unfreezes the cursor.
I launched the game with Proton 7.0-6 and it worked perfectly "out of the box" without any additional steps or tinkering.

I had to update the steam packages themselves via apt for the game to be able to start.

Have not tested with other Proton versions, but you need Proton to install as it's Windows only.

Texts are a bit small, but you can read it.
Its a great game, but I'm going to stick to the keyboard / mouse. It seems that the developer is going to make a controller support for the game, so that will make thinkgs way more easier in the future. However the battery drain is outrageous (~1 hour gameplay on low graphics 40-50fps).

Used the in game option to limit to 30 fps - for a very low power draw, about 5W total
The menu at the start is somewhat slow, after the solid 60 FPS

It has good graphics and over all good story (problem is this is still only a DEMO since the game is not out yet)
gamemoderun __GLX_VENDOR_LIBRARY_NAME=nvidia PROTON_USE_WINED3D=1 %command%
The introduction video did not render but you can just hit a key to skip and play the game ... I recond if I set a different lounch option I might make it play as well but I did not tinker with it! Saw the introduction video in plenty of let's play on youtube already and can do with out it ! apart for that game plays flawlessly on my machine !
For me with out the lounching options game would not run on latest proton it needs that lounch option sadly ... and I am on proton 7 atm.