Full list of all 46 Hitman: Absolution achievements worth 1,000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox 360.
You assassinated the facility leaders
You found your way through the mines
You left Lenny in the desert
You achieved Silent Assassin
You circumvented Lenny's crew and secured Lenny
You bought an upgrade for a weapon
You re-gained your signature Silverballers
You questioned the bartender
You assassinated Wade
You assassinated Wade's men in Chinatown
You boarded the train and escaped the Chicago PD
You completed 10 challenges
You located the hotel room number 899
You made a kill look like an accident
You subdued a person
You blended in and fooled someone
You remained undetected throughout a checkpoint
You unlocked a technique
You hid a body
You executed a point shooting with at least 3 kills
You fulfilled Birdie's contract and eliminated The King of Chinatown
You successfully performed a lethal throw
You contained a situation gone bad
You escaped the attention of an enemy
You infiltrated the mansion and assassinated Diana Burnwood
Complete 100 challenges
Complete 50 challenges
47 precision headshots using a sniper rifle
Defeat Sanchez with your bare hands
Eliminate the Saints
Gain access to the jail
Approach the church
Acquire suit & gloves
Assassinate Layla
Assassinate Blake Dexter
Assassinate Travis
Complete Hitman: Absolution™ on any professional difficulty
Collect all play styles
Collect all evidence
Like a contract
Earn 1 million contract dollars
Complete the Create Contract Tutorial
Complete the Contract Basics Tutorial
Play a contract created by a friend
Create a contract competition
Participate in a contract competition