Solved
"Incorrect authentication data. Check your credentials and try again."
I'm not sure why this is happening, are they closing SimCity 2013 servers? Wish i could turn off multiplayer mode directly from launcher or via file by editing it somehow or i just might not know th...
- Hi everyone, this issue has been raised to the teams. I believe it should be fixed now, some players reported they are able to enter the game again.
