What is exactly

Is it any different to If no, then why have it? Sorry for my curiosity.

It Doesn't Let Me Play Multiplayer

@ikuz From what I understand this is the direct server. There are many different servers providing access to code combat content. And when an update is made it may take time before that is reflected across all of the servers.

So when we are developing a game level using the direct server helps guarantee that we are seeing the latest revision and not an older copy.

Normally you would not need to worry about using it.