Full list of all 83 HITMAN 3 achievements. It takes around 50-60 hours to unlock all of the achievements in the base game on Windows.
The base game contains 47 achievements, and there are 3 DLC packs containing 36 achievements.
Reach Berlin Mastery Level 20.
Help Emma kill Alexa.
Photograph the Yellow Bird.
Reveal all undiscovered areas in Berlin.
Take out a guard with a silenced pistol, with a shotgun and with an SMG.
Reach Mendoza Mastery Level 20.
Eliminate Vidal with the grape crusher, Yates with poisoned Grand Paladin, and both with gas.
Find and unlock 15 Shortcuts.
Reveal all undiscovered areas in Mendoza.
Attend the secret Providence meeting.
Complete all Mission Stories in The Farewell.
Become the club owner, and have a sit down with the ICA.
Complete Level 5 of an Escalation Contract set in the ICA Facility.
Complete The Final Test in the Prologue.
Complete The Final Test unspotted. Kill only Jasper Knight, ensuring his body is not found.
Complete any Mission Story in The Final Test.
Complete Freeform Training in the Prologue.
Reach Carpathian Mountains Mastery Level 5.
47 takes another nap.
Complete all Untouchable Challenges.
Complete Untouchable.
Complete The Farewell.
Reach Chongqing Mastery Level 20.
Reveal all undiscovered areas in Chongqing.
Kill Hush in his "relaxing chair," electrocute Royce and shoot both with one bullet.
Use Royce's terminal to fry the core.
Complete all Mission Stories in End Of An Era.
Complete End Of An Era.
Get 10 different Playstyles.
Complete Apex Predator.
Tremain has a rifle accident, Thames is hit by a crane and Montgomery & Banner light up the club.
Complete the Contract Creation Tutorial.
Complete a Featured Contract.
Beat the highest leaderboard score on a Contract.
Reach Dartmoor Mastery Level 20.
Complete all Mission Stories in Death In The Family.
Eliminate Alexa in her private room, shoot her from the roof, and put her to rest.
Complete Death In The Family.
Reveal all undiscovered areas in Dartmoor.
Reach Dubai Mastery Level 20.
Assassinate Targets with Ballistic, Accident and Explosion Kills.
Reveal all undiscovered areas in Dubai.
Make a target slip and fall while evacuating in a skydiving suit.
Kill Ingram with his oil-rig model, push Stuyvesant over a rail, and kill them in the air.
Complete all Mission Stories in On Top Of The World.
Assassinate a Target without getting spotted.
Complete On Top Of The World.
Reach Sapienza Mastery Level 20.
Complete The Showstopper.
Reach Paris Mastery Level 20.
Complete World of Tomorrow.
Complete A Gilded Cage.
Reach Marrakesh Mastery Level 20.
Complete Suit Only and Silent Assassin Challenges on The Icon, A House Built on Sand or Landslide.
Complete Club 27.
Reach Bangkok Mastery Level 20.
Complete Freedom Fighters.
Reach Colorado Mastery Level 20.
Complete Situs Inversus.
Reach Hokkaido Mastery Level 20.
Complete The Last Yardbird as Silent Assassin.
Complete Nightcall.
Reach Hawke's Bay Mastery Level 5.
Complete The Finish Line.
Reach Miami Mastery Level 20.
Complete Three-Headed Serpent.
Reach Santa Fortuna Mastery Level 20.
Complete Chasing a Ghost.
Reach Mumbai Mastery Level 20.
Complete Another Life.
Reach Whittleton Creek Mastery Level 20.
Complete The Ark Society.
Reach Isle of Sgàil Mastery Level 20.
Get a score above 1,000,000 points on Crime and Punishment.
Complete Crime and Punishment as Silent Assassin.
Get a score above 1,000,000 points on The Pen and the Sword.
Complete The Pen and the Sword as Silent Assassin.
Reach New York Mastery Level 20.
Reach Haven Island Mastery Level 20.
Complete Golden Handshake.
Complete all Crime and Punishment Challenges.
Complete The Last Resort.
Complete all The Pen and the Sword Challenges.