need help with multiplayer

I need help with multi player cause every time I join a game it says no response from host? but when I host a game people can join my game except if invite them they cant join? and me and my friend have tried too do a multi player campaign but every time we try it says no response from host, It also says no response from host when we try too do a battle? can sum1 please help?

I could be a dick right now and say look at the other topics on the FRONT page. But I'm not a dick so this is all I shall say.


GET HAMACHI NAO.

That is all.

how do you use hamachi?

doesnt matter