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