You don't have to play in online mode. In fact it has been recommended that you play in offline mode. To do this click on the sh5 desktop icon to open the ubisoft game launcher. Then click on the little rotary icon in the upper right hand corner. Go to settings then go to the network tab. click on always start in offline mode. Click save then close the launcher and restart. You are now playing in offline mode. Online mod is only for multiplayer. As far as the rest of your question goes I'm not really sure. Hope this helps
