Here is the full list of all 31 Tearaway trophies - there are 13 bronze, 12 silver, 5 gold and 1 platinum.
Collect all the other trophies
Tumble a pile of 6 Scraps
Dispatch all the Scraps
100% complete the game
Collect all the hidden presents
Take a photo in each Chapter
Finish the Tear without losing your Stamp
Take a sepia photo of a Squirrel eating an acorn
Take a black and white photo of a Gopher riding an Elk
Take a photo of Yellow Head
Finish Between the Pages without losing your Stamp
Finish the Wendigo Fissure without losing your Stamp
Take a photo of the other Messenger
Complete all the "extra things to do"
Collect all the papercraft plans in the world
Create 10 Decorations with the Cutting Mat
Throw a Gopher at a Scrap
Finish the game
Collect 25 papercraft plans
Finish Between the Pages
Collect 30 presents
Dispatch 40 Scraps with your finger
Dispatch 200 Scraps
Put more than 10 Decorations on your Messenger
Complete 10 "extra things to do"
Finish Gibbet Hill
Take 15 photos of the paper world
Dispatch 10 Scraps while riding the Pig
Unlock your first papercraft plan
Complete your first "extra thing to do"
Open your first Present