Here is the full list of all 12 Perso achievements.
Not even one chance?
Die 5 times.
Travel across 1000 tiles.
Travel across 100 tiles.
Collect all four cubes.
Complete a level without dying.
Travel across 10000 tiles.
Collect all relics.
Die 27 times.
Who's are these memories?
You're finished.
But what for?