Here is the full list of all 12 Pid achievements.
Complete the game with all 12 secret souvenirs.
Find all the secret constellations.
Find 30 secret areas.
Complete the game.
Collect 5 secret souvenirs.
Enter the entourage HQ.
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.