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