The Dunwall City Trials Add-on for Dishonored has 10 achievements.
Find Emily's doll hidden in each of the 10 challenges
Perform a drop assassination of at least 150 meters in the Kill Cascade challenge
Complete Train Runner before the train arrives at the station
Complete all Normal and Expert challenges with a 3-Stars rating
Get to Wave 13 in Back Alley Brawl killing all combatants personally
Find all of the collectable figurines in Burglar on Expert
Complete Assassin's Run with 100% accuracy using only head shots
In Bonfires, perform all the special combination jumps in 1 round
Finish Mystery Foe without using any active supernatural powers
Finish Chain Kill or Bend Time Massacre without failing any wave, including bonuses