Play LAN Multiplayer games on the go!

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Download Muon
from the Decky-loader storefront!

or

Click Here to Download Muon Manually from the Github page[github.com]

Guides for decky-loader install and manual set up[github.com]

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This group recommends games that function
well with Muon and offline use.
Here is how it functions:

Verified:
Direct IP Support or legacy LAN scan functions,
able to directly connect into lobbies.

Playable:
Will require set up using the internet
first for mod installation, an online login
and/or configuration with a separate dedicated server.

Unsupported:
Steam Networking API, Anti-Cheat Systems or
Publisher Servers requiring ever-present
logins/internet connection - blocking offline and LAN support,
direct IP bar fails to find host server.

Unsupported games subject to change depending on workarounds and community mods discovered by the admin or members.

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If you intend to do testing, please submit your findings in the
"COMMUNITY TESTS" pinned thread in the discussions tab:

Verifying games will be using Muon version 0.2.1,
you can use another device that isn't a Steam Deck for Testing as long as the guest is running SteamOS or BazziteOS and has Wi-Fi capabilities,
For Example:

Host:
Steam Deck LCD with SteamOS

Guest:
SteamOS (Beta) on GMKTec AMD 5825U Nucbox M5

--- DO NOT use the same account for offline tests ---

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You can try this plugin as a workaround for unsupported titles.
We do not condone this method as it bypasses Steam’s Networking API violating terms and agreements in the process, this option is intended only as a last resort.
We made one acceptation with Resident Evil 5, it is listed as "LANFix" in the informational label section as proof of functionality.
However, tutorials and links related to "LANFix" will be removed completely when Steam Networking API allows offline multiplayer or a Cease & Desist from Valve or another publisher is thrown our way.
https://github.com/MrKristofere/SmartSteamEmu