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I tried it both native and with proton, both work but have their own problems:
Native runs better 90% of the time but laggs whenever an event that uses more then one 3D character model happens.
Proton: runs slightly worse but has no lag spikes.
But generaly the game is playable, windows also has ocasional lag spikes depending on the update of the game, so I'd say it is in a good state to run on linux.
Can work given you have enough ram and swap. Deleting vulkan cache in Paradox folder can also fix some crashes when updating.
Faced unfixable frequent crashes. Increases swap space to 2x my ram and finally the game runs smoothly.
Crashes were frequent and only went away when increasing swap space to 2x my ram.
J'ai 16GB de RAM dont une partie est utilisé par le GPU du processeur, cependant j'avais un crash au lancement du jeu (en natif comme avec Proton comme avec des anciennes versions du jeu). Le problème a finalement été résolu en ajoutant une partition de SWAP de 16GB de plus pour ne pas crasher par manque de mémoire. Je vous conseille donc de ne pas lésiner sur la SWAP en swap file ou en swap partition pour ne pas crasher.
Eats all VRAM and then system slows down
making the game unplayable, giving like 5fps both in menu and on the map. when running non-native via different proton versions, launcher isn't able to run the game suspecting game crashing. can't find any logs.
Great experience OOTB after waiting to load
Max resolution is 1080p although I play on a 4K screen.
While loading the game I keep getting 'Game is not responding' messages but after finishing loading game runs perfectly fine.
I don't know why but can't bump up resolution higher than 1080p...
The game is unplayable on systems with less than 32Gb RAM.
Frequent out of memory kill crashes
The game eats up all of your GPU memory on start up and when there is no VRAM left it starts to consume your system's RAM. It seems like the game loads up all the textures and other graphical stuff into the VRAM and system memory which is clearly a bug that was not present until some update about a year ago.
Don't waste your time unless you have at least 32G of RAM, the game consumes almost all of your PC's memory.
gamemoderun %command%
Memory drain
There is a problem with RAM consumption, for now even going to previous versions of the game will not solve it.
Tried it with Proton first, and it loaded smoothly but had some lag when scrolling around the map, and also a random crash (though tbf Windows also has random crashes). Native a bit laggier than Windows, but generally solid performance. Much faster load times either way, even with a relatively heavy modlist
-noasync -debug_mode
постоянно после старта игры спустя пару минут начинались сильнейшие лаги, зависание и краш игры (время начала этих лагов всегда было одинаковым после старта игры)
P.S. если кто знает как исправить прошу написать мне в дискорд: ellistab2
Without tinkering the game crashes when starting the game, seems to be a memory leak that completely fills the RAM.
DRI_PRIME=1 DXVK_FILTER_DEVICE_NAME="AMD Radeon RX 7700S (RADV NAVI33)" %command%
Specify dGPU. Select Proton 9.0.4+ (Experiamental)
Has worked for me right out of the box with the exception of customized controls. Have not experienced crashes or performance issues.
Use the in-game upscaling options.
-noasync
When I ran it out of the box I was not able to play past the quick tutorial. But after tinkering no problem what so ever
gamemoderun %command%
Disabled animated character portraits since it caused an incredible lag for some reason. Works fine with Vulkan as renderer
Game is lagging hard with animated character portraits
KDE Plasma crashed at least once while playing. Impossible to open new Firefox window or use the existing one after a few Alt-Tab's
Rare crashes
SDL_VIDEODRIVER=x11 gamemoderun %command%
Fullscreen is oddly slow
You only need to add ncurses6 to your programs.steam.extraPackages otherwise it would fail to start.
Running SDL with the native Wayland backend will also not work, so if you're like me who uses Wayland-everything by default, you need to set SDL_VIDEODRIVER to x11 for the window to behave properly. Otherwise, everything should just work!
I had alot of issues making this work - my problem seemingly was the launcher either not showing on proton versions lower than 9 or just flat out freezing after launching on 9 and onward
Found out there has been a documented issue of playing the newer versions of the game after 1.10.2 (https://forum.paradoxplaza.com/forum/threads/known-issues-1-11-1.1612687/)
I found this suggestion on the paradox forums (https://admin-forum.paradoxplaza.com/forum/threads/game-doesnt-start-linux.1702216/)
Which led med to installing the steam client directly from steam rather than flatpack/PopOs! - that made everything work and it fired without issues the first time after installing
Milage may vary - best of luck <3
Spent a few days fighting an "Unknown error" when trying to login to paradox on the main menu (not the launcher). But eventually just ticked the "Force use of compatibility tool" on steam and it worked straight away!
Install UI mod from workshop
Fix this by installing cryo utilities. Worked well for me and others. See info here. https://www.reddit.com/r/SteamDeck/s/8B0wo7k3Td
Consistently crashes in less than 20 minutes on lowest graphics settings.
Unplayable, should not be advertised as anything else.
After playing for 10-20 min. The game will freeze and it will freeze the deck. I have to hold down the power button to force turn off my deck.
-noasync
Multiplayer with Windows machines results in a near immediate error after trying to start the game at normal speed. Error listed was for CoatOfArms. Switched to Windows install and same save works fine.
Stable for single player - issues with multiplayer (Windows users)
Game uses all RAM (14+ GB) and completely freezes the system.
Probably has a memory leak or something, but is unplayable with 16 GB of RAM.
Change install drive to main ssd
Worked perfectly out of the box on my AMD APU laptop (Fedora Linux)
On my Intel cpu + Nvidia gpu desktop (also Fedora Linux), I initially installed it on my secondary ssd which led the game to be completly unplayable. Extremely messed up graphics and frame rate. Putting the game on my main ssd somehow fixed it
Also Vsync keeps limiting my fps to 60 despite my 165hz monitor, but this seems to be an issue with almost all my Linux games
Native version broken. Use Proton
Changed it to 30fps cap
The UI gets too big and falls of screen a bit, and characters take up UI space in the skills menu for instance, but between 70% and 80% UI scaling worked for me.
I play this game via Family Share.
Aside from the UI being either too small at 50%-60% or being too big at 70% and up, the game runs quite well all things considered. I didn't have any crashes (not changing my proton setting at all, just the default it selected) didn't experience any performance drops or loading hangs. it ran really smoothly. I tried reloading different characters, different eras, several times all with no issues. I don't imagine it would run well middle to late game, but I didn't play that far.
No problems whatsoever
The game runs perfect with the default Steam settings without tinkering.
Graphics borked. Totally unplayable.
I don't know why. It should run natively. With Vulcan it crashes, and with the other graphics setting that they have listed by default the entire map is shown in black with white borders. I mean black everything, every country, and even the seas.
Does run natively at all, crashes everytime, forced proton and its playable but terribly.
Every now and then it works for a few hours before crashing X11 and closing all apps open.
when going into the actual map of the game, running on native with vulkan, it crashed. locked up the steamdeck itself aswell.
Freezes on Native, crashes on launch on Proton
Unable to play after last update
Leaves a lot to be desired. Vulkan is horribly unoptimized. Proton does nothing either. It is up to Paradox to improve the Linux version.
Vanilla runs "acceptably" with Vulkan, though no match for Windows. Heavy mods like AGOT are borderline unplayable. I used both Proton (DXVK) and native. Both suck.
Mouse cursor is black or the colors seem to be inverted.
The native version, which uses Vulkan, is totally unoptimized. Setting the graphics to Ultra let me have around 5 FPS in the main menu. Switching to GE-Proton9-5 with DX11 (ingame) fixed it for me. Unfortunately, the mouse cursor is black now. But I can live with that.
In the graphics settings, make sure to set the rendering scale to an appropriate value. The character portraits were disgustingly blurred otherwise. Took around an hour of tinkering for me to find out, that this is causing the issue.
