The long promised multiplayer update for Stardew Valley is finally upon us, sort of. While it was first announced for Nintendo Switch and will be coming to that as the first console platform to get multiplayer, it’s only out now on PC, Mac and Linux, and even then it’s an open beta.
Because of this, they advise you to back up your save files and play from a save that hasn’t been touched by any mods. You also need to open up the game’s properties in Steam and then opt into the v1.3 beta under the beta tab. Those who bought from GOG will have to wait a few days.
In order to enable co-op for an existing save, you need to be able to host other players by building them a home, a relatively cheap Cabin that will cost 100 gold and 10 stone. From there, you can save, back out to the main menu and use the co-op menu tab. Alternatively, you can start a new farm together, using the co-op menu and adding set number of cabins. People can then join you via in-game menus, Steam/GOG invitations, invite codes or using an IP address for LAN play.
Up to four people can play co-op together, sharing money and world updates – inventory, skills and NPC relationships are separate – you need to go to sleep at the same time to end a day, and players can get married if you find a wedding ring with which to propose.
For more details and troubleshooting tips, head here. Hopefully ConcernedApe runs into few issues and can make this a full release soon, but it sounds like he might need to make some more donations at the community centre first:
How did you add multiplayer to Stardew Valley? :O
After donating a bundle of ethernet cables to the junimo sprites, I recompiled the game with the “add multiplayer” checkbox on. I missed some of the forage items in the first year, so it took two years.
Source: Stardew Valley