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 The Showstopper.
Assassinate Viktor Novikov in a light rig accident.
Become Tobias Rieper.
Complete all Opportunities in The Showstopper.
Complete Level 5 of an Escalation Contract set in Paris.
Select a Starting Location and use an Agency Pickup to smuggle an item into Paris.
Reach Paris Mastery Level 20.
Complete World of Tomorrow.
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.
Complete Level 5 of an Escalation Contract set in Sapienza.
Select a Starting Location and use an Agency Pickup to smuggle an item into Sapienza.
Reach Sapienza Mastery Level 20.
Complete A Gilded Cage.
Assassinate Zaydan, as the prisoner, Strandberg during his massage, and both with the APC turret.
Demonstrate generosity.
Complete all Opportunities in A Gilded Cage.
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.
Reach Marrakesh Mastery Level 20.
Complete Suit Only and Silent Assassin Challenges on The Icon, A House Built on Sand or Landslide.
Complete The Icon.
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.
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.
Eliminate Abiatti by impalement, pen and fireworks explosion.
Complete all Opportunities in Landslide.
Complete Club 27.
Eliminate both Morgan and Cross in a fall accident and both by dropping a coconut on their heads.
Poach Ivory.
Complete all Opportunities in Club 27.
Complete level 5 of an Escalation Contract set in Bangkok.
Select a Starting Location and use an Agency Pickup to smuggle an item into Bangkok.
Reach Bangkok Mastery Level 20.
Complete Freedom Fighters.
Ram Rose and Parvati, make Berg blow himself up and drown Graves.
Yee-haw to the hoedown.
Complete all Opportunities in Freedom Fighters.
Complete level 5 of an Escalation Contract set in Colorado.
Select a Starting Location and use an Agency Pickup to smuggle an item into Colorado.
Reach Colorado Mastery Level 20.
Complete Situs Inversus.
Serve Yamazaki Fugu poisoned sushi and eliminate Soders with the robotic arms.
Imagine meeting you here.
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.
Reach Hokkaido Mastery Level 20.