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 the KGB Colonel kills Jasper Knight.
Disguise yourself as Mr. Norfolk and assassinate Kalvin Ritter.
Assassinate Targets with Ballistic, Accident and Explosion Kills.
Complete a Featured Contract.
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.
Arrange matters so that a guard finds a discarded weapon and moves it into the hangar.
Complete the Contract Creation Tutorial.
Complete The Final Test in the Prologue.
Assassinate Jasper Knight with a sabotaged ejector seat.
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.
Poach Ivory.
Eliminate both Morgan and Cross in a fall accident and both by dropping a coconut on their heads.
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 level 5 of an Escalation Contract set in Colorado.
Reach Colorado Mastery Level 20.
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.
Complete level 5 of an Escalation Contract set in Hokkaido.
Reach Hokkaido Mastery Level 20.
Serve Yamazaki Fugu poisoned sushi and eliminate Soders with the robotic arms.
Complete all Opportunities in Situs Inversus.
Select a Starting Location and use an Agency Pickup to smuggle an item into Hokkaido.
Complete Situs Inversus.
Awaken the Kraken!
Complete all Opportunities in World of Tomorrow.
Complete Level 5 of an Escalation Contract set in Sapienza.
Reach Sapienza Mastery Level 20.
Eliminate Silvio during therapy, down his plane with a cannon and shoot him through the telescope.
Select a Starting Location and use an Agency Pickup to smuggle an item into Sapienza.
Complete World of Tomorrow.
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.
Reach Marrakesh Mastery Level 20.
Complete all Opportunities in A Gilded Cage.
Demonstrate generosity.
Select a Starting Location and use an Agency Pickup to smuggle an item into Marrakesh.
Complete A Gilded Cage.
Eliminate Mendola with the crystal ball, Kong in an electrocution, and both by poisoning the pipe.
Eliminate Abiatti by impalement, pen and fireworks explosion.
Assassinate Bosco with the monster teeth, in a pyrotechnics explosion, and in a fire.
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.
Complete Level 5 of an Escalation Contract set in Paris.
Complete all Opportunities in The Showstopper.
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.