It seems that you're using an outdated browser. Some things may not work as they should (or don't work at all).
We suggest you upgrade newer and better browser like: Chrome, Firefox, Internet Explorer or Opera

Are the servers still up? Maybe just temporarily down?

They should be still up unless there is another way to play Co-op...

Both my wife and I get the message "An error occured while connecting to the server" when trying to start co-op.
For the record, occurred is actually spelled that way in the message.
No posts in this topic were marked as the solution yet. If you can help, add your reply