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