Here is the full list of all 24 Unknown Fate achievements.
When we first met.
Me, the hands and the Wardrobe.
When we met again.
Weird things in the park.
Goodbye colleague.
Stop!
Some Unfortunate Events!
Sometimes you are not alone.
I'm not having fun.
Sometimes you need some help.
I'm glad I found you.
I'll take care of it.
Did you see it?
Together is better.
Alwasy good to know when to stop.
That saved me.
All-purpose solution.
Memories are all important.
You found the last piece!
You have the full power of the artefact now.
Kill the boss without dying.
Find all memories.
Complete the adventure.
Kill all enemies.