Here is the full list of all 19 A Story of Distress achievements.
Beat the story mode
Hit a dummy with any avaiable weapon
Assassinate the first general
Assassinate the second general
Assassinate the last general
Find the Mysterious Object
Kill 100 Soldiers
Kill a Civilian
Kill 50 Civilians
Gain your powers
Finish any level without using Checkpoints
Finish a level without being noticed by a guard
Hit a guard using a throwing knife
Hit a guard's head using the bow and arrow
Hit a dummy 100 times
Stick your head through the guillotine
Play the mandolin 10 times
Go through the side of the house on the night city
Try to swim