Full list of all 77 Sniper Elite 3 achievements. It takes around 60-80 hours to unlock all of the achievements in the base game on Windows.
The base game contains 51 achievements, and there are 6 DLC packs containing 26 achievements.
Play 10 competitive multiplayer matches
Attain a rank of Second Lieutenant (level 31)
Own Sniper Elite, Sniper Elite V2 and Sniper Elite 3
Hold breath for one hour
Get a kill with each offensive item
Snipe enemies over a cumulative distance of a double marathon
Kill 10 enemies with flint-triggered detonations
Tag 100 enemies or vehicles
Distract 20 enemies with flint or rocks
Play 1 mission in each mode (campaign, challenges, competitive multiplayer)
Create and save 4 loadouts
Complete a campaign mission without being seen (excluding Tobruk)
Get a testicle-shot from over 100m away
Get to the informant without being spotted (Mission 4)
Complete 100% of the campaign on any difficulty
Complete Mission 8
Complete the game on Cadet difficulty
Complete the game on Marksman difficulty
Find all the Sniper nests
Find all the war diaries
Complete all the optional objectives
Find all the collectible cards
Complete all the long shots
Throw an enemy off one of the bridges (Mission 8)
Complete Mission 7
Destroy all 3 bomb dumps at the same time (Mission 7)
Get 20 chain reaction explosive kills
Complete Mission 6
Kill 10 snipers before they see/shoot you
Incapacitate 2 vehicles in Kasserine Pass within 5 seconds (Mission 6)
Kill 20 enemies by shooting explosives
Relocate 100 times
Complete Mission 5
Make the target officer's death look like an accident (Mission 5)
Get 30 kills from sniper nests
Attain a rank of Sergeant (level 11)
Find half of the war diaries
Customize 1 rifle
Complete Mission 4
Complete Mission 3
Complete a mission after losing over 500 units of health
Find and kill the visiting General (Mission 3)
Complete Mission 2
Hide a body in each of the wells in Gaberoun (Mission 2)
Complete Mission 1
Clear the mountain pass without alerting the enemy (Mission 1)
Complete the campaign in co-op
Complete the game on Sniper Elite difficulty
Complete the game on Authentic difficulty
Complete all the challenge missions
Earn 1 of every ribbon in competitive multiplayer
Kill the target by shooting nearby explosive barrels
Kill the target in 7 different ways
Kill the target in the vehicle by shooting its weakspot
Crush the target with a bell
Kill the target with a grenade
Kill the target with a chain reaction
Shoot and kill the target
Observe the target and correctly choose to leave or kill
Shoot the target in his car
Kill the officer at the meeting with a testicle shot
Complete the mission without using any healing items
Get to the command tent unseen and without killing
Complete 'In Shadows'
Destroy all the Teufelsfeuer shipments in the truck depot.
Hit all the targets on the shooting range.
Complete 'Belly of the beast'.
Eliminate a sniper with a stealth takedown.
Complete 'Confrontation'.
Spot and destroy 4 enemy traps without triggering them.
Kill the Teufelsfeuer soldiers in the coliseum.
Snipe the soldier in the tower far, far away.
Blow up the soldier in the distant tower using heavy artillery.
Take out two of the AA gun crews with special explosive events.
Find and set up the MG42.
Earn Gold on all ranges (Shooting Range).
Find and shoot the 10 hidden explosives (Shooting Range).