Here is the full list of all 16 Unblock: The Parking achievements. It takes around 0-1 hour to unlock all of the achievements.
Get 300 stars
Complete all levels
Complete all levels with 3 stars
Get 275 stars
Get 250 stars
Get 225 stars
Get 200 stars
Run out of moves
Get 175 stars
Get 150 stars
Get 125 stars
Get 100 stars
Get 75 stars
Get 50 stars
Get 25 stars
Get 10 stars