More:Borderlands: Mad Moxxi's Underdome Riot (Xbox 360)

From GameWinners

Contents 1 Hints 1.1 Easy "Sucker Born Every Minute" achievement or trophy 2 Achievements

Hints

Easy "Sucker Born Every Minute" achievement or trophy

Go to the huge bullet. Locate the building closest to the bullet. Find the arrows pointing to a box with a "$" sign on it and activate the prompt located there.
be, gngh ydruhp

Achievements

Complete the following achievements to unlock Xbox Live Gamerscore points.

Small Tournament (10 points): Complete the Prove Yourself mission.

Hell-Burbia (25 points): Reach the end of the larger challenge in the Hell-Burbia coliseum.

The Angelic Ruins (25 points): Reach the end of the larger challenge in The Angelic Ruins coliseum.

The Gully (25 points): Reach the end of the larger challenge in The Gully coliseum.

Big Tournament (40 points): Reach the end of each of the 3 larger challenges with one character.