Everything You Need to Know to Start Playing The Witcher 3 Multiplayer (Witcher Online Mod)

The Witcher 3

The Witcher 3
  • Primary Subject: The Witcher 3: Wild Hunt (Witcher Online Multiplayer Mod)
  • Key Update: Witcher Online mod lets players explore The Witcher 3 in shared servers, turning the Continent into a multiplayer social/roleplay experience.
  • Status: Confirmed
  • Last Verified: January 22, 2026
  • Quick Answer: Witcher Online adds multiplayer servers to Witcher 3 Next-Gen (v4.04+), allowing shared exploration, chat and emotes, though combat syncing and true co-op features remain limited.

If you’ve been waiting for a solid excuse to replay The Witcher 3: Wild Hunt, especially with the franchise heating up again and The Witcher 4 hype building in the background, Witcher Online might be the most interesting reason yet.

Made by modder Rejuvenate, this multiplayer mod turns what was originally a fully solo experience into an online world where players can explore the Continent together, join servers, and experience The Witcher 3 in a whole new way.

The point of Witcher Online isn’t MMO competition. The goal is to add immersion by letting you see other players wandering and traveling through the same classic places you’ve explored solo for years.

How Does Witcher Online Multiplayer Actually Work?

Basically, Witcher Online works by placing you into an online server with other players, so once you connect, you can freely explore the world and encounter other players naturally as you travel.

The Witcher 3
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Credit: CD Projekt RED/Rejuvenate

You’re not limited to party-only play; you enter a shared world where you can run into strangers or team up with friends.

The mod includes basic social features like chat and emotes, which makes roleplay interactions feel natural in The Witcher 3’s tavern-heavy world.

It’s the type of mod that makes even standing around in Novigrad feel different, because you’re no longer the only “Geralt” in the room.

Is Witcher Online Full Co-Op or Something More Limited?

However, it’s best to go in with realistic expectations, since Witcher Online is a huge accomplishment technically, but it’s still not official co-op and it doesn’t fully capture coordinated multiplayer gameplay.

The Witcher 3
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Credit: CD Projekt RED/Rejuvenate

It is also worth noting that combat syncing is only partial. Enemies aren’t fully synced between players, so Witcher Online isn’t yet the true shared boss-fight experience some squads expect.

Similarly, certain mechanics don’t perfectly translate into a shared world: horses and sailboats can look glitchy or unsynced to other players, and classic Witcher mini-games like Gwent aren’t included as multiplayer activities through this mod.

The best way to describe Witcher Online isn’t “full co-op Witcher 3,” but a multiplayer overlay that turns the Continent into an online hangout and roleplay space where players can share progression and adventures without needing perfect sync.

What Do You Need to Play Witcher Online?

To play Witcher Online, you first need to make sure your game meets the required baseline.

The Witcher 3
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Credit: CD Projekt RED/Rejuvenate

The mod expects a non-pirated PC version of The Witcher 3’s Next-Gen update, and it specifically requires version 4.04 or higher.

In practical terms, this means the easiest way to meet the requirement is owning the game through Steam or GOG, updated fully to the latest Next-Gen build.

After you confirm that, you’ll move on to installation, but this mod isn’t a simple one-click download since Witcher Online requires several supporting mods and frameworks to run properly.

You’ll need three core dependencies: Community Patch – Shared Imports, Custom Player Characters, and Chill Out.

Shared Imports is basically a compatibility backbone that helps mods communicate cleanly with the base game.

Custom player characters are important since Witcher Online is built around playing with others, and even though a lobby full of Geralts is meme-worthy, the novelty wears off fast.

With Custom Player Characters installed, players can actually customize their look so lobbies aren’t filled with clones, and it makes the social aspect of the mod much more fun.

Meanwhile, Chill Out creates a laid-back tavern vibe that matches the mod’s cozy social focus. Much of Witcher Online’s appeal comes from players hanging out, roleplaying, chatting, and enjoying the world like a shared fantasy playground instead of a constant combat grind.

How Do You Install Witcher Online and Join a Server?

Once the prerequisites are installed, you install Witcher Online itself from Nexus Mods and then run the game with the mod enabled.

The Witcher 3
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Credit: CD Projekt RED/Rejuvenate

Once you connect to a server, you’ll spawn into your save as usual, except the world is now multiplayer-enabled, meaning other players will appear, chat becomes possible, and you can explore the world as a group.

The mod promises a shared story experience, but Witcher Online is more about coexisting in the same world and doing your own adventures alongside each other than having fully synchronized quests at all moments.

Still, it changes the feeling dramatically because exploration becomes social, and even if you’re not perfectly synchronized in every combat encounter, the world becomes something you share instead of something you privately consume.

Why Are Some Players Struggling to Host Their Own Witcher Online Servers?

One of the biggest discussions around Witcher Online at the moment is server hosting, since a lot of players are hitting ISP-related roadblocks such as CGNAT, blocked port forwarding, missing public IPs, or DDNS not working properly.

The Witcher 3
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Credit: CD Projekt RED/Rejuvenate

This is why many players prefer joining public/community servers rather than hosting their own. Some players are actively searching for workarounds that let them host without needing full access to their network settings.

There’s no universal fix right now, but it’s worth noting that hosting servers is not always plug and play, and network restrictions can block traditional hosting methods, so if you can’t host a server at home, the simplest option is to join an existing public server instead of fighting your ISP.

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