Here is the full list of all 32 Shadows of Doubt achievements.
KO everybody in the city at least once
Install all sync disks in a single game
Escape from hospital without paying your medical fee
Pay back the starch kola sync disk loan
Complete the ‘Dead of Night’ case
Eat 100 Croque Monsieurs
Search through the trash 20 times
Drink 100 coffees
Eat 100 donuts
Drink 100 kolas
Put 100 junk items in the trash
Detect a fingerprint while highly inebriated
Take out a loan from a loan shark
Return a lost item
Throw an expensive item through a hotel room’s window
KO a debt collector
Hide from a pursuer using a newspaper
Complete a murder case without violence
Retire
Retire without KO’ing anybody
Retire without getting KO’d
Fall down an elevator shaft from 4 floors up
Use a door wedge to trap somebody in a bathroom
Steal a gun and throw it in the sea
Complete a murder case without being seen trespassing
Pin 100 unique things to your case board(s) in a single game
100% complete a citizen profile
Hire a hotel room
Have a shower to remove stinkiness
Buy a new apartment
KO someone by barging through a door
Find a hidden door key