Mucky multiplayer co-op now available in Expeditions: A Mudrunner Game

Ross McGregor
A new public beta has been released for Expeditions: A Mudrunner Game, adding multiplayer co-op play for up to four players.
Expeditions: A Mudrunner Game

Saber Interactive’s Expeditions: A Mudrunner Game has now gained a killer feature: multiplayer co-op. The communal online mode is now accessible as a beta build on the PC Steam version only, adding a whole new perspective to its driving experience.

A total of four players can now drive cooperatively, providing the kind of feature that made its predecessor Snowrunner so popular with fans.

Despite Expeditions releasing in March 2024 and a major ‘Breaking Ground’ update being released last month, multiplayer had yet to materialise, angering a portion of the game’s passionate community. 

Saber Interactive has built up a solid back catalogue of driving exploration games, however, with the likes of the aforementioned Snowrunner, Dakar Desert Rally and a reimagined version of the classic Mudrunner experience, Mudrunner VR, released recently. 

Saber Interactive will no doubt hope Expeditions’ latest co-op beta build will appease some of the concerns raised by fans, especially as all players don’t need to own DLC to play with friends: as long as the host owns the DLC, others can participate freely, with mods also being compatible in co-op mode.

All the details on how to download the beta build listed below.

Tell us what you think about Expeditions: A Mudrunner Game’s new co-op mode in our Discord server.

Expeditions: A Mudrunner Game

How to access Expeditions: A Mudrunner Game’s co-operative mode

  • Back up your game saves
  • From your Steam client, go to your “Library”, and right-click on Expeditions.
  • Go to “Properties”.
  • Go to “Betas”
  • Enter the following line code under “Private betas” to access the Public Beta Branch branch: IBackedUpMySaves
  • Click “check code”.
  • Congrats! You have access to the Public Beta Branch.
  • Close the window, your game will update automatically.
Expeditions: A Mudrunner Game

Expeditions: A Mudrunner Game co-op beta changelog

New Game set-up tools:

  • The host is able to set a parameter to allow / forbid / ask for confirmation before a trade is done between players

Available Features:

  • DLCs are compatible: if host and guests have different DLCs, they are still able to play together.
  • DLC content owned by the host is available to guests as long as the host deploys them on the map (DLC trucks, DLC specialists, etc).
  • Mods are compatible and/or warn players if different mods may cause instability.
  • Gameplay is balanced around co-op. For instance, all airdrops on all maps have double-amount of loot.


  • All players are able to see map exploration.
  • All players are able to complete objectives and make the quest progress.
  • All players are able to receive the rewards for completed expeditions and quests.
  • All players are able to interact with built base modules, but only host can build/sell modules.
  • All players are able to interact with each other through collision and using the winch.
  • All players are able to interact with treasures (amethyst rocks in the Kanab Creek region).
  • Players are allowed to travel to a different map in the same region without ending the multiplayer session. Two players in the same session are allowed to be on different maps.
  • Restoring progress after a reconnect is allowed: in cases of connection loss, the player can load back into the game session (within a 5 minutes period), bypassing the expedition preparations.
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