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