do we have to have a private server?

Well, unless you're in a server with security, no. But, it'd have to go under the "multiplayer" category. Well, you don't need one, it's just better to have one. 'Cause you'd need to begin from spawn and when core temp is at 0 C.

Would you like my VIP server? I can give you a link.

naah I got the money but thanks for offering