The Deathstorm Part 1: Inception Add-on for Sniper Elite 4 has 7 achievements worth 200 gamerscore.
Inception - Complete the mission
Inception - Complete all the challenges
Inception - Get to the destroyer and launch the torpedo without being spotted
Inception - Unlock the train door using the keys found on the officers
Inception - Melee takedown all the snipers
Inception - Destroy the tank with a crane drop
Inception - Dump Major Volker Grün's body into the water from the end of a boat