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.
Complete a Featured Contract.
Complete the Contract Creation Tutorial.
Arrange matters so that a guard finds a discarded weapon and moves it into the hangar.
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.
Assassinate a Target without getting spotted.
Complete The Final Test in the Prologue.
Arrange matters so that the KGB Colonel kills Jasper Knight.
Assassinate Jasper Knight with a sabotaged ejector seat.
Complete any Opportunity in The Final Test.
Change your disguise during The Final Test.
Disguise yourself as Mr. Norfolk and assassinate Kalvin Ritter.
Assassinate Targets with Ballistic, Accident and Explosion Kills.
Complete Freeform Training in the Prologue.
Pacify any individual.
Complete level 5 of an Escalation Contract set in Bangkok.
Eliminate both Morgan and Cross in a fall accident and both by dropping a coconut on their heads.
Select a Starting Location and use an Agency Pickup to smuggle an item into Bangkok.
Poach Ivory.
Reach Bangkok Mastery Level 20.
Complete all Opportunities in Club 27.
Complete Club 27.
Complete level 5 of an Escalation Contract set in Colorado.
Yee-haw to the hoedown.
Reach Colorado Mastery Level 20.
Ram Rose and Parvati, make Berg blow himself up and drown Graves.
Select a Starting Location and use an Agency Pickup to smuggle an item into Colorado.
Complete Freedom Fighters.
Complete all Opportunities in Freedom Fighters.
Complete level 5 of an Escalation Contract set in Hokkaido.
Reach Hokkaido Mastery Level 20.
Imagine meeting you here.
Select a Starting Location and use an Agency Pickup to smuggle an item into Hokkaido.
Complete all Opportunities in Situs Inversus.
Complete Situs Inversus.
Serve Yamazaki Fugu poisoned sushi and eliminate Soders with the robotic arms.
Complete Level 5 of an Escalation Contract set in Sapienza.
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.
Select a Starting Location and use an Agency Pickup to smuggle an item into Sapienza.
Complete World of Tomorrow.
Complete Level 5 of an Escalation Contract set in Marrakesh.
Complete all Opportunities in A Gilded Cage.
Assassinate Zaydan, as the prisoner, Strandberg during his massage, and both with the APC turret.
Reach Marrakesh Mastery Level 20.
Demonstrate generosity.
Select a Starting Location and use an Agency Pickup to smuggle an item into Marrakesh.
Complete A Gilded Cage.
Complete A House Built on Sand.
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.
Eliminate Abiatti by impalement, pen and fireworks explosion.
Complete all Opportunities in Landslide.
Complete Landslide.
Complete Suit Only and Silent Assassin Challenges on The Icon, A House Built on Sand or Landslide.
Assassinate Bosco with the monster teeth, in a pyrotechnics explosion, and in a fire.
Complete all Opportunities in The Icon.
Complete The Icon.
Complete Level 5 of an Escalation Contract set in Paris.
Assassinate Viktor Novikov in a light rig accident.
Complete all Opportunities in The Showstopper.
Select a Starting Location and use an Agency Pickup to smuggle an item into Paris.
Reach Paris Mastery Level 20.
Become Tobias Rieper.
Complete The Showstopper.