Here is the full list of all 40 Lost2 achievements.
Dreams are a masquerade of reality
Where did Jack go?
The mystery solving has just begun
♡☠☪
Did you see that?
I will strike in dd form
A desire of my own
They are us
Already grown up?
NEW_ACHIEVEMENT_DESC_1_9
Structure as Content
Facing the Absurd
I'm going to bed, if you'll let me
Sensitive, skeptical, in denial
Destruction or Survival
Only in infinite abandonment do I realize the validity of my eternity
Unresolvable, untouchable
The Last Match
An abortion is better than a curse
A moment of warmth
Under the Lighthouse
A riddle needs to be explained by another riddle
There is only one God
The Birth of Destiny
Clowns in Beautiful Clothes
Death is the new life
irreconcilable
False Promises
Not seeing the light of day
An Exile from Reality
The B Side of the Story
Compensatory Illusions
Unique Reality
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He bore the chastisement of sin, but he was not a sinner
Breaking out of the shell
What they want
The sun rises as usual
Immortality Device
Praise be to Nachasus for his eternal return to the Mirror of Water