...they set up dozens of servers to allow players to connect to them. It didnt work well. You were not allowed to play single player games without connecting to those servers.
You might want to remember what happened on SD's DemiGod release initial few weeks of activation. China based piracy ruled the online realms while thousands of illegal copies were floating around and hitting the servers to join any available MP matchups pipeline!
It was really wild & crazy.
But, Brad Wardell & staff fixed it all - eventually!