Full list of all 70 Sniper Elite 3 achievements worth 1,440 gamerscore. It takes around 25-30 hours to unlock all of the achievements in the base game.
The base game contains 50 achievements worth 1,000 Gamerscore, and there are 4 DLC packs containing 20 achievements worth 440 Gamerscore.
Find all the Sniper nests
Clear the mountain pass without alerting the enemy (Mission 1)
Complete Mission 8
Complete the game on Cadet difficulty
Complete the game on Marksman difficulty
Thrown an enemy off one of the bridges (Mission 8)
Create and save 4 loadouts
Complete Mission 7
Get a testicle-shot from over 100m away
Kill 10 snipers before they see/shoot you
Customize 1 rifle
Complete Mission 6
Relocate 100 times
Tag 100 enemies or vehicles
Find half of the war diaries
Complete Mission 5
Attain a rank of Sergeant (level 11)
Made the target officer's death look like an accident (Mission 5)
Get 30 kills from sniper nests
Complete Mission 4
Complete Mission 3
Complete Mission 2
Complete Mission 1
Complete a mission after losing over 500 units of health
Kill 20 enemies by shooting explosives
Complete the campaign in co-op
Complete the game on Elite difficulty
Complete the game on Authentic difficulty
Find all the war diaries
Find all the collectible cards
Complete all the long shots
Complete all the optional objectives
Complete 100% of the campaign on any difficulty
Play 1 mission in each mode (campaign, challenges, competitive multiplayer)
Hide a body in each of the wells in Gaberoun (Mission 2)
Find and kill the visiting General (Mission 3)
Got to the informant without being spotted (Mission 4)
Incapacitate 2 vehicles in Kasserine Pass within 5 seconds (Mission 6)
Destroy all 3 bomb dumps at the same time (Mission 7)
Attain a rank of Second Lieutenant (level 31)
Complete a campaign mission without being seen (excluding Tobruk)
Play 10 competitive multiplayer matches
Get 20 chain reaction explosive kills
Get a kill with each offensive item
Distract 20 enemies with flint or rocks
Kill 10 enemies with flint-triggered detonations
Snipe enemies over a cumulative distance of a double marathon
Hold breath for one hour
Complete all the challenge missions
Earn 1 of every ribbon in competitive multiplayer
Observe the target and correctly correctly choose to leave or kill
Shoot and kill the target
Kill the target with a chain reaction
Kill the target by shooting nearby explosive barrels
Crush the target with a bell
Kill the target in the vehicle by shooting its weakspot
Kill the target with a grenade
Shoot the target in his car
Kill the target in 7 different ways
Kill the officer at the meeting with a testicle shot
Complete 'In Shadows'.
Get to the command tent unseen and without killing.
Complete the mission without using any healing items.
Complete 'Belly of the Beast'
Beat Raubvogel's score on the shooting range
Destroy all the teufelsfeuer shipments in the truck depot
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.