Here is the full list of all 17 Stick to the Plan achievements.
Get all the other achievements
Bark for the first time
Bark 138 Times
Beat Downtown’s last level in 66 actions or less
Beat DogPound’s last level in 113 actions or less
Beat Landfill’s last level in 82 actions or less
Beat FireFly Forest's last level in 61 actions or less
How many chances are there that a dog will bark like that?
Enter 150 times throw the sewers
Hit 15 objects with your stick
Hit 175 objects with your stick
Hit 500 objects with your stick
Complete ‘Downtown’
Complete ‘Dogpound’
Complete ‘The Landfill'
Complete ‘Firefly’s Forest’
Complete ‘Dreams of home’