Here is the full list of all 20 Cuccchi achievements.
Complete the 1st level
Complete the 2nd level
Complete the 3rd level
Complete the 4th level
Complete the 5th level
Complete the 6th level
Complete the 7th level
Collect all the works of the 1st level
Collect all the works of the 2nd level
Collect all the works of the 3rd level
Collect all the works of the 4th level
Collect all the works of the 5th level
Collect all the works of the 6th level
Collect all the works of the 7th level
Collect all the works of the game
Touch the pig in the 1st level
Touch the hand in the 3rd level
Touch the red cat in the 4thlevel
Touch the foot in the 6th level
Touch the red tree in the 7th level