The Aftermath Add-on for Homefront: The Revolution has 8 achievements worth 150 gamerscore.
Complete Aftermath.
Complete the upload sequence and escape the Broadcast Center without using a health kit.
Turn off the Walker broadcast recording.
Enter the Broadcast Center without detection.
Arrive at the Broadcast Center.
Destroy 9 Rubber Ducks.
Collect 6 Journals.
Kill 2 KPA guards in the compound using explosive canisters.