The Deathstorm Part 3: Obliteration Add-on for Sniper Elite 4 has 7 achievements.
Obliteration - Complete the Mission
Obliteration - Complete all the Challenges
Obliteration - Kill everyone
Obliteration - Extract Wernicke, Hänel, and Kehrer in one playthrough
Obliteration - Don't kill any members of the Reiner family
Obliteration - From the bunker reach the extraction point without firing a shot
Obliteration - Kill all enemy snipers with explosives