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.
Eliminate Vidal with the grape crusher, Yates with poisoned Grand Paladin, and both with gas.
Reach Mendoza Mastery Level 20.
47 takes another nap.
Help Emma kill Alexa.
Reveal all undiscovered areas in Mendoza.
Photograph the Yellow Bird.
Reach Berlin Mastery Level 20.
Reveal all undiscovered areas in Berlin.
Kill Hush in his "relaxing chair," electrocute Royce and shoot both with one bullet.
Reach Chongqing Mastery Level 20.
Use Royce's terminal to fry the core.
Reveal all undiscovered areas in Chongqing.
Complete all Mission Stories in End Of An Era.
Find and unlock 15 Shortcuts.
Reach Dartmoor Mastery Level 20.
Complete all Mission Stories in Death In The Family.
Reveal all undiscovered areas in Dartmoor.
Eliminate Alexa in her private room, shoot her from the roof, and put her to rest.
Attend the secret Providence meeting.
Complete all Mission Stories in The Farewell.
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.
Beat the highest leaderboard score on a Contract.
Complete a Featured Contract.
Complete Level 5 of an Escalation Contract set in the ICA Facility.
Get 10 different Playstyles.
Complete the Contract Creation Tutorial.
Complete The Final Test unspotted. Kill only Jasper Knight, ensuring his body is not found.
Complete The Final Test in the Prologue.
Complete any Mission Story in The Final Test.
Complete Freeform Training in the Prologue.
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.
Assassinate Targets with Ballistic, Accident and Explosion Kills.
Complete all Untouchable Challenges.
Reach Carpathian Mountains Mastery Level 5.
Reveal all undiscovered areas in Dubai.
Assassinate a Target without getting spotted.
Complete Untouchable.
Take out a guard with a silenced pistol, with a shotgun and with an SMG.
Complete The Farewell.
Complete End Of An Era.
Complete Apex Predator.
Complete Death In The Family.
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.
Complete Crime and Punishment as Silent Assassin.
Get a score above 1,000,000 points on Crime and Punishment.
Complete all Crime and Punishment Challenges.
Get a score above 1,000,000 points on The Pen and the Sword.
Complete The Pen and the Sword as Silent Assassin.
Complete all The Pen and the Sword Challenges.
Reach New York Mastery Level 20.
Reach Haven Island Mastery Level 20.
Complete Golden Handshake.
Complete The Last Resort.