2K and Gearbox Software announced that the new add-on content pack for Borderlands: The Pre-Sequel, Ultimate Vault Hunter Upgrade Pack: The Holodome Onslaught is now available for the Xbox 360, PlayStation 3 and Windows PC.

Included in the add-on content pack, The Holodome Onslaught features a new challenge arena where players will fight wave after wave of new enemies while earning new awesome loot, including weapons, class mods, and heads and skins.

It also adds all-new narrative content with appearances from veteran Vault Hunters Gaige and Axton. Additionally, this add-on content pack contains the Ultimate Vault Hunter Upgrade Pack, which raises the level cap to 60, giving each playable character ten new levels as well as the ability to earn ten new skill points.

Borderlands Pre-Sequal Holodom Onslaught

The Ultimate Vault Hunter Upgrade Pack: The Holodome Onslaught is the second of four add-on content packs for Borderlands: The Pre-Sequel and is included in the Borderlands: The Pre-Sequel Season Pass.

Each add-on content pack will also be available individually. The Borderlands: The Pre-Sequel Season Pass grants access to download all four of the planned add-on content packs as they become commercially available on the PlayStation Network, Xbox Live, Windows PC, Mac and Linux.

Borderlands Pre-Sequal Holodom Onslaught

The Ultimate Vault Hunter Mode is also available today for PS3 and Windows PC users via a free update, adding a third playthrough making the game more difficult as enemies scale up to your current level as well as adding the ability to reset campaign progress at any time.

Borderlands: The Pre-Sequel is rated MA15+ in Australia and R13 in New Zealand.