The Fallen Ghosts Add-on for Tom Clancy's Ghost Recon Wildlands has 6 achievements worth 190 gamerscore.
Fallen Ghosts: complete the operation
Fallen Ghosts: Kill one of each Extranjeros squad archetypes
Fallen Ghosts: Complete every Rebel Op and Mission
Fallen Ghosts: Complete a Final Rebel Op
Fallen Ghosts: Kill 10 Covert Ops Extranjeros using your knife
Fallen Ghosts: Destroy an enemy helicopter using an explosive bolt.