Question in the title. :)

The official servers are completely hacked and unsafe. Although I've received a response on another forum, I'd like your honest opinion... Is it safe to play singleplayer? Does the game somehow connect to an online server during the campaign? Something like... sharing stats, etc...

cant start the game it just shuts itself down again

...

Since there are so many issues with BO2 but the symptoms are all the same. There are many fixes available but are scattered across multiple places. I'm hoping to compile all known fixes so people aren't digging around blindly. Note I will rarely discuss...