this post was submitted on 10 Oct 2023
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Steam Deck

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Hey all,
Does anyone have a guide on how to manually add mods to games on the Steam Deck?
I was hoping to mod Fallout 76 for some QoL mods from Nexus but I can't seem to get them to work.

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[–] [email protected] 10 points 1 year ago (1 children)

You might find the steam tinker launch useful. One thing it can do is download and launch Nexus' Vortex Mod Manager inside each games proton prefix. Which should let you manage mods for various games especially elder scrolls and fallout games. Not tried it with fallout 76 though.

[–] Vertelleus 1 points 1 year ago

I'll give this a try, thanks!

[–] [email protected] 8 points 1 year ago* (last edited 1 year ago)

I haven't done much for modding, but I did mod up Beat Saber recently with ModAssistant. What I did was add the ModAssistant exe file as a non-Steam game, then put this in the launch options:

STEAM_COMPAT_DATA_PATH="/home/[username]/.local/share/Steam/steamapps/compatdata/620980" %command%

The 620980 is the AppID for Beat Saber; you'd have to find it for each game. What this does it run the exe file in the same prefix as the game, which is good for making sure that any changes to ini files (etc) in AppData actually get written to the right spot. It worked great, no different than on Windows.

[–] [email protected] 4 points 1 year ago

I modded Fallout 4 on SteamDeck by running Vortex in Desktop mode using Steam Tinker Launch. I recall it being a little finicky to find all the right paths etc. Some googling should lead you to a guide for running Vortex on SteamDeck.

[–] [email protected] 2 points 1 year ago

I run Stalker: Gamma on a Steam Deck.

Tips: Install it using Windows and just move the Anomaly and Gamma folders over to the same directory. Make sure to pick a wine version with esync and fsync patches or it will run like shit.

As for controlling Stalker with a controller... I'm working on it, myself. I pretty much bound everything as you'd expect in a normal FPS and made the back buttons work for healing items and melee. Select for the PDA, Start for pause.

[–] poke 1 points 1 year ago (1 children)

I've previously modded a game on a PC and just copied the files over to the steam deck and it worked fine.

It wasn't a Bethesda title, though. Don't know how mods work for those.

[–] [email protected] 2 points 1 year ago

Can verify, often the best practice is to mod it on your main PC then port those files over, the main problem you'll run into is modloaders or patches that are only runnable as .exes