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 Level 5 of an Escalation Contract set in the ICA Facility.
Complete a Featured Contract.
Complete the Contract Creation Tutorial.
Assassinate Targets with Ballistic, Accident and Explosion Kills.
Disguise yourself as Mr. Norfolk and assassinate Kalvin Ritter.
Arrange matters so that a guard finds a discarded weapon and moves it into the hangar.
Arrange matters so that the KGB Colonel kills Jasper Knight.
Assassinate Jasper Knight with a sabotaged ejector seat.
Complete The Final Test in the Prologue.
Complete The Final Test unspotted. Kill only Jasper Knight, ensuring his body is not found.
Complete any Opportunity in The Final Test.
Change your disguise during The Final Test.
Complete Freeform Training in the Prologue.
Assassinate a Target without getting spotted.
Pacify any individual.
Complete level 5 of an Escalation Contract set in Bangkok.
Poach Ivory.
Reach Bangkok Mastery Level 20.
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.
Complete all Opportunities in Club 27.
Complete Club 27.
Complete level 5 of an Escalation Contract set in Colorado.
Reach Colorado Mastery Level 20.
Select a Starting Location and use an Agency Pickup to smuggle an item into Colorado.
Ram Rose and Parvati, make Berg blow himself up and drown Graves.
Yee-haw to the hoedown.
Complete all Opportunities in Freedom Fighters.
Complete Freedom Fighters.
Complete level 5 of an Escalation Contract set in Hokkaido.
Imagine meeting you here.
Reach Hokkaido Mastery Level 20.
Complete all Opportunities in Situs Inversus.
Select a Starting Location and use an Agency Pickup to smuggle an item into Hokkaido.
Serve Yamazaki Fugu poisoned sushi and eliminate Soders with the robotic arms.
Complete Situs Inversus.
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!
Reach Sapienza Mastery Level 20.
Select a Starting Location and use an Agency Pickup to smuggle an item into Sapienza.
Complete all Opportunities in World of Tomorrow.
Complete World of Tomorrow.
Complete Level 5 of an Escalation Contract set in Marrakesh.
Reach Marrakesh Mastery Level 20.
Demonstrate generosity.
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 all Opportunities in A Gilded Cage.
Complete A Gilded Cage.
Complete all Opportunities in A House Built on Sand.
Complete 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.
Assassinate Bosco with the monster teeth, in a pyrotechnics explosion, and in a fire.
Complete all Opportunities in The Icon.
Complete Suit Only and Silent Assassin Challenges on The Icon, A House Built on Sand or Landslide.
Complete The Icon.
Complete Level 5 of an Escalation Contract set in Paris.
Reach Paris Mastery Level 20.
Complete all Opportunities in The Showstopper.
Become Tobias Rieper.
Select a Starting Location and use an Agency Pickup to smuggle an item into Paris.
Assassinate Viktor Novikov in a light rig accident.
Complete The Showstopper.