Here is the full list of all 37 THIEF achievements worth 1,000 gamerscore. It takes around 40-50 hours to unlock all of the achievements on Xbox One.
Finished 3 consecutive chapters without taking damage
Found all the secret stashes in Moira
Scored an epic 5,000,000 or more in a Challenge Map
Shot a bottle in mid-air with an arrow
Finished Chapter Eight
Finished the game in 15 hours or more
Finished Chapter Seven
Completed all Basso Jobs in The City
Completed all Client Jobs in The City
Finished Chapter Six
Completed a collectible set
Finished Chapter Five
Picked a pocket and a lock using the focus ability
Finished Chapter Four
Disarmed ten trap mechanisms
Completed 10 optional Thieving Objectives
Discovered 15 secret areas
Finished Chapter Three
Killed or knocked out 10 people using the environment
Picked a lock with masterful speed
Finished Chapter Two
Sweet sixteen. Snuff said.
Stole 5 collectibles
Finished a single chapter without alerting anyone
Finished Chapter One
Uncovered Lyegrove's secret
Finished the Prologue
Steal all loot and collectibles in a single chapter.
Pick 100 pockets in a single playthrough
Finish the game with a custom difficulty of 700 points or more
Complete 25 optional Thieving Objectives
Finish the game without a single kill or knockout
Reach the final chapter without using the focus ability
Finish the game on Master difficulty
Complete all collectible sets
Discover all secret areas
Use 40,000 gold