Console Monster writes: "The achievements for new downloadable content continue as we have just added the Achievements for Fallout 3 on the Xbox 360. This time around there are four new achievements, three of which worth 20 points and the fourth worth 40 GamerScore. The new achievements can only be unlocked in Operation: Anchorage, the downloadable content for Fallout 3 releasing on the 27th January at 800 Microsoft Points.
The list contains 4 new achievements worth 100 GamerScore:
Aiding the Outcasts - 20 GamerScore
Completed "Aiding the Outcasts"
The Guns of Anchorage - 20 GamerScore
Completed "The Guns of Anchorage"
Paving the Way - 20 GamerScore
Completed "Paving the Way"..."