If u can, could you try your best to do offline if you do another update, you don't have to.
It's not so simple. Networking solution what i am using (PUN) requires connection to internet. To make offline mode, i will have to completely isolate whole networking code. It's a lot of work and it's not worth the time. How many of players need offline mode? 1%?
It's online/multiplayer game = meant to be played online.