Here is the full list of all 13 Pupperazzi achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Save 20 of your favorite photos.
Take photos of 20 different sleeping dogs.
Take 20 close-up photos of dogs with their tongue out.
Complete the Puppypedia!
Take 10 photos in midair.
Take 30 photos while crouching.
Complete all follower audiences.
Take 20 centered, close-up, head-on, single-dog photos.
Take 30 photos of dogs wagging their tails.
Take 20 photos without any dogs.
Take 20 photos of blinking dogs.
Attempt to take a photo without any film 10 times.
Take photos of 20 different fashionable dogs (dogs wearing two or more accessories).