if you are asking if you have to sign up for psn to play no you don't but you cant play online a get trophies an enter shift codes to get keys i ain't sure about xbox however i think you may have to create an account to play
Up to two players can play Borderlands 2 on the same system.
If you sign up to shift your'll receive a complementary key
It's not necessary, no.
The Game Borderlands does not need a serial. Instead, the game registers itself online before you are allowed to play.
Yes You can play Borderlands offline you can play with up to 4 people on split screen but if you have a ethernet cord you can play system link with two people
just sign up and play and do a coulple of quest then some fights but you cant play because the download is not out you can sign up the download comes out in 2013
Yes (windows 7 user)
The site is pbpmafia.proboards.com sign up and play social gaming
Not all. Some sites, you have to sign up to play, some sites you just get cooler things if you sign up, and some you just don't have to sign up.
Go to pokemon.com and sign up there and from the website play TCGO
No, to sign up and play is free.
They don't have internal sign up method anymore. You just sign in with your FB account and play any of their games after downloading.