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