Here is the full list of all 34 ARAYA achievements.
End prelude
Collect at least 1 item
Complete Chapter 1
Complete Chapter 2
Complete Chapter 3
Complete Chapter 4
Complete Chapter 5
Complete Chapter 6
Complete Chapter 7
Complete Chapter 8
Complete Chapter 9
Complete Chapter 10
Finish the game for the second time
Spend 1 hour
Spend 3 hours
Spend 5 hours
Collect 10 items
Collect 20 items
Collect 35 items
Collect all common items
Collect all Araya's Memos
Collect all newspapers
Collect all medical notes
Collect the first Mirror
Collect all Mirrors
Please spare Jit
Kill Jit
Worship at the shrine
Stop the necromancer
Don't let Jit kill you
Never get hit by Jit
Earn all achievements
Play Araya in VR Mode
Collect 3 Mirrors