Borderlands: Mad Moxxi’s Underdome Riot Steam

NOTICE: Activation key must
be used on a valid Steam account. Requires an internet
connection.

Mad Moxxi’s Underdome
Riot is an addon pack for Borderlands that includes a new
cooperative arena game mode and a stash to store your gear.

Are you god’s gift to gun fights? Think you’re the best? Wanna
prove it? Then help us celebrate the grand opening of Marcus Bank
(a subsidiary of Marcus Corp) by killing hundreds and hundreds of
people in Mad Moxxi’s Underdome Riot, the only competitive arena
around where your next of kin can be assured that you’re coming
back famous . . . or not at all. (All proceeds are kept by us)

Multiplayer options may have changed, please see the main title
for more information

This content requires the base
game Borderlands on Steam in order to play.

System requirements