Borderlands: The Zombie Island of Dr Ned (PC)

Features

• The Zombie Island of Dr. Ned:
  
  Fully-fledged expansion filled with new areas, new quests and rare loot drops.
  New enemies - several varieties of zombies, flying corpse eater creatures.
  Extensive co-op integration that seamlessly blends the single-player and multiplayer experiences.
  
• Mad Moxxis Underdome Riot:
  
  Three new Riot Mode arenas where players will endure an onslaught of Pandoras baddest enemies. Working together, players will fend off the masses as they fight for fame, honour, and more importantly, loot.
  New bank feature, which allows players extra storage capacity for when they encounter one of the
  millions of weapons that Borderlands has to offer.
  Ability to acquire two additional skill points as quest rewards, making their characters even
  more powerful than before.