The Devastation Add-on for Call of Duty: Ghosts has 10 achievements worth 250 gamerscore.
Use a hypno trap to turn a Rhino friendly in Mayday in Regular or Hardcore difficulty.
Complete all Challenges and kill the Kraken in Mayday in Regular or Hardcore difficulty.
Kill the Kraken for the first time in Mayday in Regular or Hardcore difficulty.
Kill the Kraken using a Relic in Mayday in Regular or Hardcore difficulty.
Kill 15 Seeder Turrets in one game in Mayday in Regular or Hardcore difficulty.
Reach the top deck in Mayday in Regular or Hardcore difficulty.
Reach the cargo area in Mayday in Regular or Hardcore difficulty.
Find all of the Intel in Mayday.
Complete the Egg-Stra XP challenge and then destroy a hive in the Devastation DLC package.
Successfully build all of the Schematics in Mayday in Regular or Hardcore difficulty.