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 Mendoza Mastery Level 20.
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.
Find and unlock 15 Shortcuts.
Complete all Mission Stories in The Farewell.
Reveal all undiscovered areas in Mendoza.
Eliminate Vidal with the grape crusher, Yates with poisoned Grand Paladin, and both with gas.
Attend the secret Providence meeting.
Complete The Farewell.
Reach Berlin Mastery Level 20.
Reach Chongqing Mastery Level 20.
Kill Hush in his "relaxing chair," electrocute Royce and shoot both with one bullet.
Complete all Mission Stories in End Of An Era.
Reveal all undiscovered areas in Chongqing.
Use Royce's terminal to fry the core.
Photograph the Yellow Bird.
Tremain has a rifle accident, Thames is hit by a crane and Montgomery & Banner light up the club.
Reveal all undiscovered areas in Berlin.
Become the club owner, and have a sit down with the ICA.
Complete End Of An Era.
Reach Dubai Mastery Level 20.
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.
Get 10 different Playstyles.
Help Emma kill Alexa.
Reveal all undiscovered areas in Dubai.
Complete all Mission Stories in On Top Of The World.
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 Level 5 of an Escalation Contract set in the ICA Facility.
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.
Complete Apex Predator.
Complete Death In The Family.
Assassinate Targets with Ballistic, Accident and Explosion Kills.
Reveal all undiscovered areas in Dartmoor.
Complete On Top Of The World.
Complete a Featured Contract.
Beat the highest leaderboard score on a Contract.
Assassinate a Target without getting spotted.
Complete Suit Only and Silent Assassin Challenges on The Icon, A House Built on Sand or Landslide.
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 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 The Pen and the Sword.
Complete The Pen and the Sword as Silent Assassin.
Get a score above 1,000,000 points on Crime and Punishment.
Complete Crime and Punishment 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.