this post was submitted on 06 Dec 2025
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No Man's Sky Multiplayer works on Steam Deck, but not Arch Linux (feddit.org)
submitted 1 day ago* (last edited 1 day ago) by helix@feddit.org to c/linux_gaming@lemmy.world
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Regardless of which compatibility layer (Proton 4, 5, 7, 8, 9, 10, experimental) I use and if I use the native libraries or Steam's, the discovery services work, but I can't see other players in the Anomaly.

Weirdly enough, on Steam Deck it works without any issues, but obviously I want to play this on my beefy gaming PC 😥

How can I fix this?

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[–] ag10n@lemmy.world 7 points 1 day ago (1 children)

Proton doesn’t really affect networking and focuses more on Graphics

Do you have a firewall enabled at all? I’ve noticed with the latest Cachy services like ssh and WebDAV seem to be blocked by default

I would definitely check for any firewall services like ufw. Any other games exhibiting this behaviour?

[–] helix@feddit.org 1 points 1 day ago (1 children)

Proton doesn’t really affect networking and focuses more on Graphics

Proton actually contains quite a lot of libraries, some responsible for networking.

firewall

Not really, I have IPv6, a regular consumer router and no client side firewall. The Steam deck is in the same network.

other games

Work fine. Never had issues with online functionality. Palia, CS2, Satisfactory, Warframe, BG3, GW2, Forza Horizon 4+5, ... all work fine

[–] ag10n@lemmy.world 6 points 1 day ago* (last edited 1 day ago) (1 children)

Some responsible, hence the focus being graphics compatibility

If you don’t have 4to64 Nat translation that could definitely be a thing

Are you pure self rolled arch or a distro? Do you have a network that allows you to see mdns and multicast traffic?

[–] helix@feddit.org 1 points 1 day ago (1 children)

Regular Arch. My Steam Deck has the same network and works fine.

[–] ag10n@lemmy.world 3 points 1 day ago* (last edited 1 day ago)

Self rolled arch, do you have ufw installed?

Since your steam deck works fine you can look for traffic with multicast or steam services