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A community all about Baldur's Gate III, the role-playing video game by Larian Studios. BG3 is the third main game in the Baldur's Gate series. Baldur's Gate III is based on a modified version of the Dungeons & Dragons 5th edition (D&D 5e) tabletop RPG ruleset. Gather your party and venture forth!


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Mods and Co-op/Multiplayer

Mods / Modding

So my wife and I are trying to add in a couple of simple aesthetic mods. We're using BG3 Mod Manager and the Full Release Mod Fixer, along with a couple others that aren't entirely game-changing and are updated. We can make singleplayer games with the mods, and they're confirmed to be working, functional, and not breaking anything or crashing our games.

I've read around that you should be able to co-op as long as you have the same exact mods in the same exact load order, so I've been fairly thorough in making sure everything is the exact same between us. I've also read a thread or two that say to verify the game files, because something could be a little messed up, so I did that for both of us, and all files verified successfully, but still nothing.

Our problem is, we'll go to try to join one another, and we'll load to about 28%. The ambience will then cut out, then the load will drop down to 14%, and whoever has the session open will get a message saying "Player has joined!" shortly followed by "Player has left." which coincides with the abnormal loading pattern, and we're sent back to the main starting screen.

Anyone experienced this and potentially have a solution? I'm not sure what else to try.

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From what I've read while browsing the mods... You did fix a problem by "starting fresh".

The mods also have to be the same version.

Just do what I do for my wife and I (since Skyrim), keep a thumb drive near the computer and when one mod is downloaded, drop it into a "BG3 mods" folder and copy it between PCs. Same files that way. ;)

Also, I've found that using IP is the most stable connection.

(Hit Start, click run, search command (command prompt), type: ipconfig, hit enter, use ipv4/6 value for host) I know it's not complicated but it's been a while and I had to do this for Atlas Fallen co-op to work correctly.

Just a modern advancement to this idea, ever heard of networked drives? You don't have to go complicated with a proper NAS, most modern routers have a usb on the back, you can just plug in the drive there and it'll be accessible to everyone on the network.

Very good point! (I don't have chinchilla for a router 😅)

I do have a server computer for shared storage but since our computers are side-by-side it's usually just easier to drop the files onto a thumb drive since I have to go to her computer to set everything up anyway.

Edited

Even more modern solution might be to use a sync solution like Resilio Sync (formerly BitTorrent Sync); I've used it to e.g. keep mods and settings for other games synced between my desktop and laptop and it works very well and is easy to set up.

edit: there may be newer/better options to Resilio, I've just been to lazy to change what's been working for me since 2014, "Syncthing" looks promising, for example: https://alternativeto.net/software/bittorrent-sync/

Setup a SMB share on your Windows PC where you download the files. Make a short cut to it on the second computer name using a unc share path \users-pc\files

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u/Bad5amaritan avatar

Man, I wish Larian would just enable Steam Remote Play Together for BG3. That would eliminate these issues immediately. One person manages the mods, and everyone else just connects to them, and doesn't even need to own the game.

u/Fresh_Knacker avatar

You really want to play splitscreen?

I guess if you don't mind that - There is a community application called RemotePlayWhatever that allows you to force any game into Steam remote play together.

That would be nice.

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I’ve had the exact same issue. Unfortunately haven’t had away around this yet. Hoping some other people have gotten past this somehow.

So I did some more troubleshooting and did actually get it to work. I'm not exactly sure how, but what I personally did was:

I started over clean. Deleted the mod manager, deleted the mods, deleted anything involving mod files in Appdata/Local/Larian Studios/BG3, and also potentially anything in the steamapps/common/BG3 folder that's mod related, then verified my installation files. I didn't do a whole reinstall personally, but that would've been my next step if what I did below hadn't worked.

For the Mod Manager, I went to the Github page for it and navigated to/downloaded the most recent release directly, rather than updating it after installation through the links people provide around Nexus—as those usually lead to an older release, or, at least, the ones I clicked on did.

Once that was done, I went into it, saved/exported an empty mod load order. Then I got my mods all downloaded, took those, put them all together, and imported them into the manager. The Full Release Mod Fixer isn't technically a mod you can activate/deactivate, so once it was in, I just refreshed the manager, and it popped itself from the inactive list over to the "Override" section.

From there all I did was go mod by mod—needless to say, having my wife do the exact same thing every step along the way—and added them sequentially, saving/exporting the load order every time I activated one. For our personal selection, I did the UI mod first, launched the game, got our session together, confirmed she booted into the session, and, lo and behold, success! After that it was the same process per mod we used. We only have 4 right now (very simple stuff), but I'm sure if we wanted to add more past that, we'd do the same thing, just go one at a time and make sure they work.

I dunno if that helps you, but it somehow worked for me, so. If you give it a try, I hope it works! :)

u/Most-Aardvark8056 avatar

Hello! I had this issue and followed your instructions and it worked! However, me and my friend had about 30 mods, and we found that when trying to export everything into the game all at once the game for whatever reason would not let us play together. One of us would join and the game would insta boot us. However, when we added the mods in through the mod manager by 4 at a time to try and test to see if one was causing the issue, we found that none of them caused the problem, so maybe the game just requires each mod be added slowly. Hope this helps

u/MalakaiDeer avatar

See I tried that and it didnt work. :( doing it one by one got me a error message.

u/Artorikus avatar

Could you be more specific how did youguys managed to make it work with all those mods please?

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If you could, could you do a video tutorial, I'm more of a visual learner sorry if that's asking too much

u/SignificantConflict9 avatar

Long story short he deleted eveything, reinstalled it 1 by 1 and then repeated for his wife.

Probably what an earlier response said and the wife probably had a slightly newer version or vice versa (specially if he had been playing his for a while before she joined)

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hey! Running into this issue with my coop, can you post the github page for the mod manager? Gonna do this and see if I can get it to work for us

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I don't know if you've seen this, but this is an amazing utility someone made that creates symbiotic links and savable mod loadouts that don't actually change the BG3 root folder at all. Then, when you use BGMM and refresh the list, all of those mods will be there to enable in the same order as yours, ready to go. And because you can just install the utility in the BGMM folder, you can just zip up everything on your PC , send it to your wife, and when she extracts and loads it, it'll be identical to yours.

https://www.nexusmods.com/baldursgate3/mods/2278/

I almost forgot! Because they are symlinks, if you press the "Vanilla" button on the utility window, it removes those symlinks leaving your game in an untouched state once again. Then to load them up again, just select the saved loadout from a drop down, click "modded" and everything is ready to to go for BGMM to enable and export to load order. SO EASY.

u/iLoveBoobeez avatar

This is the kind of thing I was looking for. It allows me to play Vanilla with my buddy who doesn't like modding while I can go mod the hell out of it for my singleplayer game.

Yea! It's one of the most clever utilities I've seen, and the fact the guy just whipped it up in a few hours to solve the problem of alking through modding for his tech illiterate friends is just hilarious to me!

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u/Anberal avatar

Hey, this happened to me, fixed it like this:

- If you have any mod that its not managed by the BG3 mod manager (In my case a tatoo mod that was in the data file) you have to match it with with ur friend, check that

- I had the previous party limit begone installed, (the one that wasnt managed by the mod manager) removing it didnt fix it for me, so uninstalled BG3 and deleted the bin file (where the party limit begone was installed)

- Installed the game and verified the files after installing to restore the BIN File

- Installed the party limit begone with the mod manager AND applied the multiplayer patch

Also obviously having the same mods and load order

Hope this works for you guys

u/Accomplished_Bath172 avatar

I am trying to run this game with friends while using mods and we all have the same mods updated and it just keeps loading us into the main menu are there any mods that interfere with multiplayer

figured anything out ?

make sure whoever you're trying to play with has the EXACT same mods as you. otherwise it wont work, even if you or they have mods personal installed that won't be used in y'alls game. any mods you've installed for the game in general, they need to have as well.

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