Re: Dead Space 3 co-op - Failed to join game
My friend and I have exactly the same problem. We fought for a long time, but yesterday we managed to overcome this situation. I describe the algorithm. Maybe it will help you too!!
No need to turn off firewall or antivirus
Actions on your computer:
1. Main menu of the game.
2. Co-op mode
3. Create a shared game
4. Continue the story
5. Start a new game
Actions on a friend's computer:
1. Main menu of the game.
2. Co-op mode
3. Watch friends' games
4. In the lobby, select a friend’s game.
5. There will be a wait for the checkpoint
Actions on your computer:
6. Escape
7. Checkpoint
As a result, the checkpoint is loaded on both computers and you appear together.
Good luck to everyone, friends.