Helldivers 2 is a game that is best played with your team, but lately many players are unable to join their friends and are looking for a solution. If your friends list is also not working, don’t worry, you are not the only one experiencing this problem. The good news is that the developers have acknowledged this bug and even proposed a temporary fix. Below is the trick you can use to add friends and play with them again:
Helldivers 2 How to Fix the 'Failed to Join Game Lobby' Error – Matchmaking Helldivers 2 Tips
Use the Friend Code to join them instead of adding them directly. Basically, you will get this error if you try to join your friends directly from your Steam or PSN friends list. So to get around this, you need to add them using their Friend Code. Here’s how it works:
If this all seems like too much hassle, for now you don’t have much choice but to wait until the developers finally fix it and release an update patch. In the meantime, you can join a public game to play with random strangers or play Solo.
That's all on how to fix the 'can't play with friends' error in Helldivers 2. For more help with this game, you can also check out our guides on how to get the Anti-Materiel Rifle, how the AFK timer works, and why Major Order isn't advancing.