The Callonburg Level Pack Add-on for Wreckateer has 5 achievements worth 100 gamerscore.
Get Gold on all Region 12 levels.
Make 30 Goblins cower before your might in Region 12.
Get 7 or more Bonus Icons in a single shot in Region 12, no Flying or Lift Shots.
Collect 20 Daredevil Bonus Icons with the Lift Shot in Region 12.
Get Low Power, Daredevil, Bank Shot, and Terrifying Bonus Icons in a single shot in Region 12.