First - You are asking silly questions, don´t you?!
Second - have you rt(f)m?
Third - have you already complete a multiplayer game with A5/A6?
Fourth - have you ever complete a game with A5/A6?
Fifth - have you answered one or more of the above questions with no?

Then

Sixth - work hard to answer all questions with YES!

And last but not least

Seventh - i don´t want to offense you - but look at FIRST

Creating a game is hard work (if you create it by yourself)
Creating a multiplayer game is harder (if you you create it by yourself)
Creating a massive multiplayer game is...

There is no such thing like a multiplayer command line option, button or template there isn´t even something like a tutorial

Good luck on your way to...