How to destroy the final boss
Get any good shock weapons to take down it's shield then after you shoot the tentacles from its head then go behind it after big tentacles pop use fast fire weapons and crouch

Easy way to fight Sledge
As you get off the elevator onto the platform across from the hallway to the fight with sledge go all the way to the end of the hall but do not go through the doors yet. Make sure you have a easily reloadable weapon with plenty of ammo then open the door peek out if he is not there go to the other door repeat this process until sledge approaches one of the doors then quickly open it shoot out his shield and some of his health repeat this process until sledge is dead

PS3 Cheats for Borderlands: Double Game Add-On Pack

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