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.
Arrange matters so that a guard finds a discarded weapon and moves it into the hangar.
Disguise yourself as Mr. Norfolk and assassinate Kalvin Ritter.
Arrange matters so that the KGB Colonel kills Jasper Knight.
Complete the Contract Creation Tutorial.
Assassinate Targets with Ballistic, Accident and Explosion Kills.
Complete a Featured Contract.
Complete The Final Test unspotted. Kill only Jasper Knight, ensuring his body is not found.
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.
Complete level 5 of an Escalation Contract set in Bangkok.
Reach Bangkok Mastery Level 20.
Poach Ivory.
Eliminate both Morgan and Cross in a fall accident and both by dropping a coconut on their heads.
Complete all Opportunities in Club 27.
Select a Starting Location and use an Agency Pickup to smuggle an item into Bangkok.
Complete Club 27.
Reach Colorado Mastery Level 20.
Complete level 5 of an Escalation Contract set in Colorado.
Complete all Opportunities in Freedom Fighters.
Ram Rose and Parvati, make Berg blow himself up and drown Graves.
Yee-haw to the hoedown.
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.
Reach Hokkaido Mastery Level 20.
Complete all Opportunities in Situs Inversus.
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.
Imagine meeting you here.
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.
Complete all Opportunities in World of Tomorrow.
Reach Sapienza Mastery Level 20.
Awaken the Kraken!
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.
Complete all Opportunities in A Gilded Cage.
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 A Gilded Cage.
Complete Suit Only and Silent Assassin Challenges on The Icon, A House Built on Sand or Landslide.
Complete all Opportunities in Landslide.
Eliminate Abiatti by impalement, pen and fireworks explosion.
Eliminate Mendola with the crystal ball, Kong in an electrocution, and both by poisoning the pipe.
Complete all Opportunities in A House Built on Sand.
Complete Landslide.
Assassinate Bosco with the monster teeth, in a pyrotechnics explosion, and in a fire.
Complete all Opportunities in The Icon.
Complete A House Built on Sand.
Complete The Icon.
Reach Paris Mastery Level 20.
Complete Level 5 of an Escalation Contract set in Paris.
Complete all Opportunities in The Showstopper.
Select a Starting Location and use an Agency Pickup to smuggle an item into Paris.
Assassinate Viktor Novikov in a light rig accident.
Become Tobias Rieper.
Complete The Showstopper.