Here is the full list of all 50 Other Side Of Mist And Mountain achievements.
Complete the first train exploration
Witness the Mysterious Disappearance of Genyu
Choose to stay on the train
Purchase Zhenyu's phone
Successfully evade the pursuit of the Floating Spirit in the non-existent district
Hang the first sign of the office
Complete the sub cat chapter
End your life in the prison cell
Completed the "Beyond" chapter
Complete all puzzles within ten minutes
Play the lock-picking game for more than 30 seconds
Don't look at things you shouldn't
Quietly suffocate to death
Killed by Saki
Hesitate and miss the clue
Carelessly startle the snake
Ritual failure, you die
Successfully held the ceremony and answered all questions from Sayako
Completed the "New Bride" chapter
Lose health by being touched by a ghost and die
Uncover Hiroki's true nature
Completed the "Eerie Tower" chapter
Complete the chapter about Zhenyu's childhood memories
Accidentally die from electric shock
Successfully escape the old house and avoid being killed by the vengeful spirits of the sea
Send the written letter to Mio through the mailbox
Pierce the bubble and enter the crevice world
Get killed by the long-haired creature in the other world
Witness the death of Hikaru Mugetsu
Perform demon exorcism using the drum without making a mistake
Draw 3 different tarot cards from the fortune teller and receive interpretations
Mermaid " finally bubble
Return to the block that doesn't exist again
Get the key from the soothsayer
OK, it's where the rich lady's sister lives!
Uncle policeman is him!
The sea will hold it all
Don't look back!
I've been through four seasons
You're late
Through the Torii Trap gate to enter the Mystery Station
Tool pliers not obtained to burn iron needle
Ticket check, enter station
Complete the forest maze path with only one map fragment
Remove needle from skull socket
Unable to fulfill agreement
Use straight needle as hook when joining fishing rod
Finish weaving mini-game
When they were about to reunite with Lan, they were attacked by Kandai Kyoko
Success Meets Lan