It would be advisable to play Knoxx's Armory before Claptrap's New Robot Revolution, the two are continuations of the main game. The enemies in the Zombie and Underdome DLC packs scale relative to your level so can be played at any time.
No. None of the DLC packs are 'needed' to play any of the others.
In order to play the DLC (downloadable content) "Zombie Island of Dr. Ned", you need the full main game Borderlands in your Steam games library.
No
The 4th DLC pack for Borderlands is called Claptrap's New Robot Revolution.
There was a 4th DLC pack released for Borderlands, called Claptrap's New Robot Revolution.
that's a hard question in borderlands 1 he is shone in the zombie dlc and mad moxie dlc but you don't see him and in borderlands 2 you find him in a bar
dlc are included
No, the 4th DLC pack was the last, and since the release of Borderlands 2, it is unlikely Borderlands 1 will get any further support.
just 4
In the fourth DLC at the end.
The DLC areas can be accessed via Fast Travel, they are all automatically unlocked.
The Mechromancer is added by DLC. You have to purchase the add-on pack.