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.
Complete all the challenge missions
Play 1 mission in each mode (campaign, challenges, competitive multiplayer)
Complete the game on Authentic difficulty
Complete the campaign in co-op
Earn 1 of every ribbon in competitive multiplayer
Play 10 competitive multiplayer matches
Snipe enemies over a cumulative distance of a double marathon
Hold breath for one hour
Get 30 kills from sniper nests
Get a kill with each offensive item
Complete the game on Marksman difficulty
Complete the game on Sniper Elite difficulty
Complete the game on Cadet difficulty
Complete 100% of the campaign on any difficulty
Complete Mission 8
Find all the Sniper nests
Find all the war diaries
Find all the collectible cards
Complete all the optional objectives
Complete all the long shots
Thrown an enemy off one of the bridges (Mission 8)
Complete Mission 7
Destroyed all 3 bomb dumps at the same time (Mission 7)
Complete Mission 6
Relocate 100 times
Incapacitate 2 vehicles in Kasserine Pass within 5 seconds (Mission 6)
Complete Mission 5
Made the target officer's death look like an accident (Mission 5)
Find half of the war diaries
Attain a rank of Sergeant (level 11)
Complete a campaign mission without being seen (excluding Tobruk)
Complete Mission 4
Distract 20 enemies with flint or rocks
Get to the informant without being spotted (Mission 4)
Complete Mission 3
Found and killed the visiting General (Mission 3)
Tag 100 enemies or vehicles
Kill 10 snipers before they see/shoot you
Create and save 4 loadouts
Get 20 chain reaction explosive kills
Kill 20 enemies by shooting explosives
Complete Mission 2
Complete a mission after losing over 500 units of health
Hide a body in each of the wells in Gaberoun (Mission 2)
Customize 1 rifle
Complete Mission 1
Clear the mountain pass without alerting the enemy (Mission 1)
Kill 10 enemies with flint-triggered detonations
Get a testicle-shot from over 100m away
Attain a rank of Second Lieutenant (level 31)
Observed the target and made the right choice.
Killed the target in 7 different ways.
Killed the target by destroying his vehicle.
Killed the target by shooting nearby explosives.
Killed the officer at the meeting with a testicle shot.
Shot and killed the target.
Shot the target in his car.
Killed the target with a grenade.
Crush the target with a bell
Killed the target with a chain reaction.
Complete the mission without using any healing items.
Complete 'In Shadows'.
Get to the command tent unseen and without killing.
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.