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