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.
Complete Level 5 of an Escalation Contract set in the ICA Facility.
47 takes another nap.
Complete all Untouchable Challenges.
Reach Carpathian Mountains Mastery Level 5.
Complete Untouchable.
Take out a guard with a silenced pistol, with a shotgun and with an SMG.
Reach Mendoza Mastery Level 20.
Find and unlock 15 Shortcuts.
Complete all Mission Stories in The Farewell.
Attend the secret Providence meeting.
Reveal all undiscovered areas in Mendoza.
Complete The Farewell.
Kill Hush in his "relaxing chair," electrocute Royce and shoot both with one bullet.
Reach Chongqing Mastery Level 20.
Complete all Mission Stories in End Of An Era.
Use Royce's terminal to fry the core.
Reveal all undiscovered areas in Chongqing.
Complete End Of An Era.
Reach Berlin Mastery Level 20.
Get 10 different Playstyles.
Become the club owner, and have a sit down with the ICA.
Reveal all undiscovered areas in Berlin.
Photograph the Yellow Bird.
Tremain has a rifle accident, Thames is hit by a crane and Montgomery & Banner light up the club.
Complete Apex Predator.
Reach Dartmoor Mastery Level 20.
Eliminate Alexa in her private room, shoot her from the roof, and put her to rest.
Complete all Mission Stories in Death In The Family.
Complete Death In The Family.
Help Emma kill Alexa.
Reveal all undiscovered areas in Dartmoor.
Reach Dubai Mastery Level 20.
Kill Ingram with his oil-rig model, push Stuyvesant over a rail, and kill them in the air.
Make a target slip and fall while evacuating in a skydiving suit.
Complete all Mission Stories in On Top Of The World.
Complete On Top Of The World.
Reveal all undiscovered areas in Dubai.
Complete a Featured Contract.
Beat the highest leaderboard score on a Contract.
Complete the Contract Creation Tutorial.
Assassinate Targets with Ballistic, Accident and Explosion Kills.
Complete The Final Test unspotted. Kill only Jasper Knight, ensuring his body is not found.
Complete any Mission Story in The Final Test.
Complete The Final Test in the Prologue.
Complete Freeform Training in the Prologue.
Assassinate a Target without getting spotted.
Eliminate Vidal with the grape crusher, Yates with poisoned Grand Paladin, and both with gas.
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 all The Pen and the Sword Challenges.
Complete Golden Handshake.
Complete all Crime and Punishment Challenges.
Complete The Last Resort.