The FNIX Rising Add-on for Generation Zero has 12 achievements worth 195 gamerscore.
Complete the side mission "In the Face of Adversity".
Complete the side mission "We are the Resistance".
Complete the side mission "The Virus".
Complete the mission "Good Night".
Complete the mission "New Cycles".
Complete the mission "Test Run".
Use a hunting or sniper rifle to destroy 15 Seekers.
Complete the mission "Tidal Wave".
Free the survivor in the destroyed villa during the mission "The Ringfort".
Defeat a Rival.
Find all 20 "Survivor's Notes" and "Love Letters" Collectibles.
Use a melee weapon to blow up 20 cars.