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