Full list of all 85 Sniper Elite 4 achievements. It takes around 60-80 hours to unlock all of the achievements in the base game on Windows.
The base game contains 52 achievements, and there are 4 DLC packs containing 33 achievements.
Target Führer - Kill Hitler with a testicle shot
Target Führer - Kill Hitler with the casserole
Target Führer - Blow up Hitler on VIP boat with a sea mine
Target Führer - Kill Hitler with a torpedo rack
Target Führer - Crush Hitler with the Eagle at the ceremony
Target Führer - Complete all challenges
Target Führer - Kill Hitler with the submarine
Target Führer - Kill Hitler with any explosive item/trap
Target Führer - Kill Hitler and exfiltrate without being detected
Target Führer - Complete all Optional Objectives and destroy the base
Target Führer - Complete the Mission
Target Führer - Kill Hitler
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
Infiltration - Complete the Mission
Infiltration - Complete all the Challenges
Infiltration - Kill the Valkyrie Squad reinforcements using only the Neunfaust
Infiltration - Multi-Kill the Officers during the tactical briefing in the auditorium
Infiltration - Kill all enemies on the island with explosives
Infiltration - Eye shot the book burning Officer
Infiltration - Complete the Mission without being shot by a Sniper
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