Here is the full list of all 12 Pid achievements.
Complete the game.
Complete the game with all 12 secret souvenirs.
Find all the secret constellations.
Find 30 secret areas.
Enter the entourage HQ.
Collect 5 secret souvenirs.
Find 10 secret areas.
Defeat the Butler Orlando.
Find a secret constellation.
Collect 1 secret souvenir.
Complete game on hard difficulty.
Find 60 secret areas.