Full list of all 38 Hitman: Absolution HD achievements worth 1,000 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Xbox One.
You collected all evidence
You completed 100 challenges
You performed 47 headshots using a sniper rifle
You collected all 20 play styles
You successfully performed a lethal throw
You executed a point shooting with at least 3 kills
You completed Hitman: Absolution HD as a professional
You eliminated Travis and fulfilled Diana's contract
You assassinated Blake Dexter
You assassinated Dexter's assistant, Layla
You visited Tommy the Tailor and acquired a new suit and gloves
You caught up with Skurky
You infiltrated the courthouse and accessed the jail
You eliminated the Saints
You completed 50 challenges
You have defeated Sanchez with your bare hands
You assassinated the facility leaders
You found your way through the mines
Leave Lenny in the desert
You circumvented Lenny's crew and secured Lenny
You escaped the attention of an enemy
You re-gained your signature Silverballers
You questioned the bartender
You assassinated Wade
You contained a situation gone bad
You assassinated Wade's men in Chinatown
You boarded the train and escaped the Chicago PD
You hid a body
You subdued a person
You completed 10 challenges
You located the hotel room number 899
You unlocked a technique
You remained undetected throughout a checkpoint
You achieved Silent Assassin
You fulfilled Birdie's contract and eliminated The King of Chinatown
You made a kill look like an accident
You blended in and fooled someone
You infiltrated the mansion and assassinated Diana Burnwood