Full list of all 69 HITMAN achievements. It takes around 2-3 hours to unlock all of the achievements in the base game on Windows.
The base game contains 17 achievements, and there are 7 DLC packs containing 52 achievements.
Complete 10 Contracts.
Set the high score on a Contract.
Arrange matters so that a guard finds a discarded weapon and moves it into the hangar.
Complete a Featured Contract.
Complete the Contract Creation Tutorial.
Arrange matters so that the KGB Colonel kills Jasper Knight.
Assassinate Jasper Knight with a sabotaged ejector seat.
Complete Level 5 of an Escalation Contract set in the ICA Facility.
Assassinate a Target without getting spotted.
Complete The Final Test unspotted. Kill only Jasper Knight, ensuring his body is not found.
Assassinate Targets with Ballistic, Accident and Explosion Kills.
Complete The Final Test in the Prologue.
Complete any Opportunity in The Final Test.
Change your disguise during The Final Test.
Complete Freeform Training in the Prologue.
Disguise yourself as Mr. Norfolk and assassinate Kalvin Ritter.
Pacify any individual.
Eliminate both Morgan and Cross in a fall accident and both by dropping a coconut on their heads.
Poach Ivory.
Complete level 5 of an Escalation Contract set in Bangkok.
Complete all Opportunities in Club 27.
Reach Bangkok Mastery Level 20.
Select a Starting Location and use an Agency Pickup to smuggle an item into Bangkok.
Complete Club 27.
Ram Rose and Parvati, make Berg blow himself up and drown Graves.
Yee-haw to the hoedown.
Complete all Opportunities in Freedom Fighters.
Reach Colorado Mastery Level 20.
Complete level 5 of an Escalation Contract set in Colorado.
Select a Starting Location and use an Agency Pickup to smuggle an item into Colorado.
Complete Freedom Fighters.
Complete level 5 of an Escalation Contract set in Hokkaido.
Complete all Opportunities in Situs Inversus.
Reach Hokkaido Mastery Level 20.
Imagine meeting you here.
Serve Yamazaki Fugu poisoned sushi and eliminate Soders with the robotic arms.
Select a Starting Location and use an Agency Pickup to smuggle an item into Hokkaido.
Complete Situs Inversus.
Eliminate Silvio during therapy, down his plane with a cannon and shoot him through the telescope.
Awaken the Kraken!
Complete all Opportunities in World of Tomorrow.
Reach Sapienza Mastery Level 20.
Complete Level 5 of an Escalation Contract set in Sapienza.
Complete World of Tomorrow.
Select a Starting Location and use an Agency Pickup to smuggle an item into Sapienza.
Complete Level 5 of an Escalation Contract set in Marrakesh.
Reach Marrakesh Mastery Level 20.
Demonstrate generosity.
Complete all Opportunities in A Gilded Cage.
Assassinate Zaydan, as the prisoner, Strandberg during his massage, and both with the APC turret.
Select a Starting Location and use an Agency Pickup to smuggle an item into Marrakesh.
Complete A Gilded Cage.
Eliminate Abiatti by impalement, pen and fireworks explosion.
Complete all Opportunities in Landslide.
Complete Landslide.
Complete all Opportunities in A House Built on Sand.
Eliminate Mendola with the crystal ball, Kong in an electrocution, and both by poisoning the pipe.
Complete all Opportunities in The Icon.
Assassinate Bosco with the monster teeth, in a pyrotechnics explosion, and in a fire.
Complete Suit Only and Silent Assassin Challenges on The Icon, A House Built on Sand or Landslide.
Complete The Icon.
Complete A House Built on Sand.
Complete all Opportunities in The Showstopper.
Complete Level 5 of an Escalation Contract set in Paris.
Reach Paris Mastery Level 20.
Become Tobias Rieper.
Assassinate Viktor Novikov in a light rig accident.
Select a Starting Location and use an Agency Pickup to smuggle an item into Paris.
Complete The Showstopper.