How to Fix Grounded 2 Multiplayer Not Working

Multiplayer not working in Grounded 2 is a common headache for fans trying to play with friends across PC, Xbox, or Steam. Whether you can’t access the Multiplayer tab, host a session, or connect to a shared world, it disrupts the fun and makes the game feel broken.

Players have been reporting of not being able to host or join multiplayer, error messages like “multiplayer connection failure,” or screens that crash back to the main menu. Sometimes they can’t even open the multiplayer menu in the first place because the game kicks them out or freezes. 

Worry not, this guide digs into the causes, account linking, VPNs, quick resume, corrupted saves, and gives you proven fixes that keep you in-game.

Easy Steps to Fix Grounded 2 Multiplayer Not Working Issue

1. Restart your router and gaming device

A lot of multiplayer failures in Grounded 2 are caused by minor connection glitches. Restarting resets the network session and gives the game a clean connection to work with. It’s one of the quickest ways to fix temporary sync issues.

• Unplug your router and wait 30 seconds before turning it back on.
• Restart your PC or console and relaunch Grounded 2.
• Try hosting or joining a multiplayer world again.

2. Try switching Xbox or Microsoft accounts to reset multiplayer state

Sometimes, your account gets stuck in a bad multiplayer state. Switching to another account and back again can force the game to reload your session and fix invite or join bugs.

• Log out of your main Xbox or Microsoft account.
• Sign in with a different account and open Grounded 2 multiplayer.
• Log back into your main account and try again.

3. Turn on Crossplay and Xbox Live is working

Multiplayer issues in Grounded 2 can happen if crossplay is off or Xbox services aren’t fully connected. Crossplay must be enabled for cross-platform sessions, and Xbox Live should be active in the background.

• Go to Grounded 2 settings and enable Crossplay.
• Check if Xbox Live is connected by launching another online game.
• Reinstall “Gaming Services” from the Microsoft Store if needed.

4. Set your NAT type to Open or Moderate, not Strict

A strict NAT often blocks multiplayer invites, especially in peer-to-peer games like Grounded 2. Adjusting your NAT settings can fix connection drops or failed joins in multiplayer mode.

• On Xbox or Windows, check your NAT status under Network Settings.
• Log into your router and forward ports 3074 (UDP & TCP) and 53 (UDP).
• Enable UPnP if available and restart your router afterward.

5. Rebuild corrupted shared worlds

If your friends can’t join your shared world, or it won’t load at all, your save might be broken. The best way to fix Grounded 2 multiplayer not working in this case is to rebuild the world.

• Open the Shared World and create a single-player copy.
• Launch the single-player copy and save the world again.
• Convert it back to a Shared World and re-invite friends.

For a focused walkthrough on repairing cloud sync and save issues in co-op, see our full guide on Grounded 2 shared world not working and apply those steps after rebuilding your world.

6. Update Grounded 2 to the latest version (if available) on all devices

Mismatched builds are a common reason for multiplayer syncing problems. Everyone in the session must be on the exact same version of Grounded 2 to avoid errors.

• On Steam, check for updates and verify file integrity.
• On Xbox or Game Pass, go to My Games > More Options > Update.
• Ask your friends to confirm they’re also updated.

7. Disable VPNs, firewalls, or antivirus software temporarily

Security tools sometimes block Grounded 2 from accessing network ports. This can lead to multiplayer not loading, joining errors, or dropped sessions.

• Turn off any active VPN software or extensions.
• Add Grounded 2 to your antivirus or firewall’s “allowed” list.
• Try connecting to multiplayer again with protections off briefly.

Causes of multiplayer issue in Grounded 2

• Xbox account authentication bugs prevent the game from recognizing your license for online play.
• Network/NAT restrictions, especially on strict router setups causing multiplayer traffic to be blocked.
• Gaming Services or crossplay is disabled, which blocks login or invites when missing.
• Corrupted Shared World saves, especially after host crashes or server issues.
• Server-side load or downtime, causing a temporary inability to connect via peer-to-peer.

Conclusion

Most multiplayer issues in Grounded 2 multiplayer issues stem from Xbox account/log-in problems, crossplay conflicts, Quick Resume complications on Xbox, or corrupted shared world saves. By switching accounts temporarily, fully quitting the game, verifying network setup, disabling VPNs, and recreating saves, you’ll resolve most errors without reinstalling.

You can stick with the aforementioned steps one by one, and you’ll restore your ability to host and join shared worlds in no time. If multiplayer still doesn’t work in Grouned 2, help from Obsidian support or forum bug reports may be required, as they track these issues actively.We also have a guide for those facing crashing issues while launching Grounded 2. Moreover, you can check our guide to fix multiplayer not working in Grounded 2.

If you play other games, you might also run into similar problems. In that case, see our Ready or Not multiplayer not working guide for proven fixes.

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