Here is the full list of all 44 Tokyo Dark achievements.
Bring Tanaka home ending
Cat ending
Purification ending
Suicide ending
Arrest Ending
Leave Tanaka ending
Mask Bearer ending
Revenge Ending
Insanity ending
Take a life
Stay together ending
Warehouse ending
Daizo ending
Butterfly club ending
Hold a hostage
Use force to get contract signed
Threaten Goto in sewer
Use force to get information in arcade
Use force to get maids to talk
Use force to get information in cat cafe
Knock out officer Mori
Pick lock in police station
Shoot Reina in sewer
Run from sewer
Save Reina ending
Don't have the contract signed
Apologize in police station
Help girls in arcade
Respond professionally to Goto in sewer
Discover what happened to the cat food
Helped maids
Use fire alarm in police station
Switch off police station cameras
Pass on Saki's letter
Use cherry blossom branch in Kamakura
Attempt to arrest Reina
Draw gun in sewer
Keep a clear head
Shoot bamboo in Kamakura
Run out of time in sewer
Enjoy a drink