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 Dartmoor Mastery Level 20.
Reach Berlin Mastery Level 20.
Reach Mendoza Mastery Level 20.
Reveal all undiscovered areas in Berlin.
Tremain has a rifle accident, Thames is hit by a crane and Montgomery & Banner light up the club.
Reveal all undiscovered areas in Mendoza.
Reveal all undiscovered areas in Chongqing.
Reveal all undiscovered areas in Dartmoor.
Reveal all undiscovered areas in Dubai.
Reach Chongqing Mastery Level 20.
Find and unlock 15 Shortcuts.
Beat the highest leaderboard score on a Contract.
Complete the Contract Creation Tutorial.
Eliminate Vidal with the grape crusher, Yates with poisoned Grand Paladin, and both with gas.
Eliminate Alexa in her private room, shoot her from the roof, and put her to rest.
Use Royce's terminal to fry the core.
Help Emma kill Alexa.
Become the club owner, and have a sit down with the ICA.
Kill Ingram with his oil-rig model, push Stuyvesant over a rail, and kill them in the air.
47 takes another nap.
Complete a Featured Contract.
Make a target slip and fall while evacuating in a skydiving suit.
Kill Hush in his "relaxing chair," electrocute Royce and shoot both with one bullet.
Reach Dubai Mastery Level 20.
Get 10 different Playstyles.
Attend the secret Providence meeting.
Take out a guard with a silenced pistol, with a shotgun and with an SMG.
Complete all Mission Stories in Death In The Family.
Complete all Mission Stories in The Farewell.
Complete Level 5 of an Escalation Contract set in the ICA Facility.
Complete The Final Test unspotted. Kill only Jasper Knight, ensuring his body is not found.
Photograph the Yellow Bird.
Reach Carpathian Mountains Mastery Level 5.
Complete all Untouchable Challenges.
Complete all Mission Stories in End Of An Era.
Complete all Mission Stories in On Top Of The World.
Complete The Final Test in the Prologue.
Complete any Mission Story in The Final Test.
Complete Freeform Training in the Prologue.
Complete Untouchable.
Complete The Farewell.
Assassinate Targets with Ballistic, Accident and Explosion Kills.
Complete End Of An Era.
Assassinate a Target without getting spotted.
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.
Get a score above 1,000,000 points on Crime and Punishment.
Complete Crime and Punishment as Silent Assassin.
Complete The Pen and the Sword as Silent Assassin.
Get a score above 1,000,000 points on The Pen and the Sword.
Reach Haven Island Mastery Level 20.
Reach New York Mastery Level 20.
Complete all The Pen and the Sword Challenges.
Complete Golden Handshake.
Complete all Crime and Punishment Challenges.
Complete The Last Resort.