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Ubisoft Connect on Steam Deck guide with SD Card access

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A guide that I've seen quite a few comments ask for across YouTube and our social media pages, so here's how to get the Ubisoft Connect launcher working on Steam Deck. You might want to do this if you own games on Ubisoft but not directly on Steam.

For this, I'm using my tried and tested method that I used for the Epic Games Store originally, by adding the installer as a Non-Steam Game. You could also use Bottles, but I'll talk more about that later. First up, here's the video:

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Text Guide:

  1. Go into Desktop Mode. Power button - > Switch to Desktop.
  2. Head to Ubisoft Connect and hit the big blue download button.
  3. In your Steam Library, add a Non-Steam game and select the downloaded exe file from the Downloads folder.
  4. Right click it in your Steam Library and go to Properties -> Compatibility, tick the Force box and select Proton 7 or Proton Experimental.
  5. Then run it as normal and let it install.
  6. Once installed, don't launch it. Right click on it in your Steam Library again and go -> Properties -> change the Target to the newly installed file. Do this by hitting Browse and go to "/home/deck/.steam/root/steamapps/compatdata/" and find the folder with a longer number than usual. You can also find the right one by expanding the box to see what folder was modified today. Then go into these folders to select the right exe file "/pfx/drive_c/Program Files (x86)/Ubisoft/Ubisoft Game Launcher/UbisoftConnect.exe".

For SD Card access, you also need one minor adjustment. In the same Properties menu, there's a Launch Options box, you need to add this into the text area: STEAM_COMPAT_MOUNTS=/run/media/mmcblk0p1/ %command%

This tells Proton it can use the SD Card and where it is. Ensure the path is the same as your SD Card, you can find it listed as "Primary" in the Dolphin file manager at the bottom of the left panel.

A special important note: ensure you've set Ubisoft Connect to minimize when closed in the settings. In Gaming Mode on the Steam Deck, you need to quickly close Ubisoft Connect once you hit Play on a game, otherwise Gamescope (the SteamOS compositor) gets confused on what to display and madly flashes between the launcher and the game. A problem shared by many launchers right now. UPDATE: thanks to a comment, you can get Ubisoft Connect to auto-launch a specific game by adding uplay://launch/*gameID*/0 to the end of your Steam launch options for the app (ID list here) which gets around the flashing issue but only works for a specific game at a time.


The question is: why didn't I use Bottles like I showed for the EA App on Steam Deck guide? Well, I thought Ubisoft Connect was broken with Bottles but it's actually not so feel free to use that way instead. For some reason, Ubisoft Connect just takes a very long time to properly load in my account details (it's fine for others) but this is still a valid guide if you don't wish to use Bottles and prefer just directly using Steam and Proton together.

Article taken from GamingOnLinux.com.
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I am the owner of GamingOnLinux. After discovering Linux back in the days of Mandrake in 2003, I constantly came back to check on the progress of Linux until Ubuntu appeared on the scene and it helped me to really love it. You can reach me easily by emailing GamingOnLinux directly. Find me on Mastodon.
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krelltunez Jun 8, 2022
I just set this up on my Steam Deck, hoping to directly launch Assassin's Creed Odyssey from my SD card. When I launch it, it seems to get stuck on the Ubisoft "Initializing" window. This is after my first attempt, which told me the game wasn't installed. I then showed it where the game is. Now, when I launch from Steam, it hangs.

EDIT: This was a nightmare to get working, but I finally did it by making the shortcut point to the Ubisoft Connect install and then adding the launch command to open the game. It required me to verify the install before I could play, and it takes a long time to get into the game (like 2+ minutes), but it works.


Last edited by krelltunez on 11 June 2022 at 9:38 pm UTC
Reusable-Box Jun 26, 2022
So I've got it working and the MicroSD card is mounted and accessible but it doesn't report the space on the MicroSD card, and instead on the internal drive so I can't install anything bigger than whatever is free on the internal drive.

Is there any fix for this? I could probably download it on PC and transfer and have it locate the install but that is an extra step that I would prefer to avoid.

Update: It does work if you transfer them and locate the installs in Ubisoft Connect. I do wonder what would happen if it wanted to update the game, probably freak out, but I'm playing Watch Dogs 2 which probably isn't going to get an update ever again.


Last edited by Reusable-Box on 26 June 2022 at 7:12 pm UTC
slaapliedje Jun 27, 2022
Quoting: Reusable-BoxSo I've got it working and the MicroSD card is mounted and accessible but it doesn't report the space on the MicroSD card, and instead on the internal drive so I can't install anything bigger than whatever is free on the internal drive.

Is there any fix for this? I could probably download it on PC and transfer and have it locate the install but that is an extra step that I would prefer to avoid.

Update: It does work if you transfer them and locate the installs in Ubisoft Connect. I do wonder what would happen if it wanted to update the game, probably freak out, but I'm playing Watch Dogs 2 which probably isn't going to get an update ever again.
I should try this, maybe I could finally finish the Assassin's Creed games, and get around to Watch Dogs...

Side note, one of the things I have always enjoyed in games is the ability to knock people off ledges to their doom. Kicked a mercenary off a cliff into a pool to watch him drown in AC: Odyssey last night, Spartan style. It was fantastic. Tried it some others, and they figured out how to climb out... shame, really.
getm Oct 12, 2022
Ok I tried this.
On my steamdeck I added this for Immortal fenyx rising.
Had to dissable overlay before adding this though.
Works like a charm :)


STEAM_COMPAT_MOUNTS=/run/media/mmcblk0p1/ %command% uplay://launch/5405/0
xtcrefugee Dec 7, 2022
It looks like something has changed recently, Ubisoft Connect will no longer start. I tried installing a fresh copy to a new prefix, but it still refuses to start through Steam. During my attempts to find the cause, I realized you can still start UbisoftConnect.exe through protontricks, just not through Steam itself with the above method of changing the target.

I will update if I find a solution, but if anyone else has any ideas please feel free to suggest!

-edit-
My solution in the end was to install Connect through Lutris and use that to manage my Ubisoft games. It's not ideal as Lutris is a fairly large install, but it does appear to work now.
I'm not sure if this issue had anything to do with me changing release channels on my Steam Deck, but it's possible. Regardless, even after returning to the stable channel, Connect wouldn't work (even in a new prefix) through Steam alone.


Last edited by xtcrefugee on 8 December 2022 at 2:42 am UTC
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