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