Here is the full list of all 35 Kona achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Find all evidence tied to Hamilton's death.
Take all pictures needed for the investigation.
Find all documents.
Find all campfires in the wild.
End the unfinished chess games.
Find every house and cabin in the village.
Collect the 10 letters from Martin Blais' treasure hunt.
Find all talismans.
Shoot a flare at night.
Find three talismans.
Complete the game without using vehicles (past the Store).
Complete the game without drinking any alcohol.
Complete the game without smoking any cigarettes.
Complete the game without firing any firearms shot.
Throw a steak at a strange creature.
Send a radio message with a big antenna.
In typical Canadian fashion, Carl left $10 for the cutoff chain.
Complete the game.
Shoot the Wendigo with the rifle.
Find Hamilton's killer.
Find all crossbow bolts.
Get rid of the ice wall.
Light a dark area with the lantern.
Get rid of wolves without killing.
Clear the boulders near the Lachances' house.
Complete Gisèle Lachance's vision.
Repair the snowmobile.
Find the rifle.
Complete Réjean Blouin's vision.
Find a winter coat to keep you warm.
Activate the spaceship.
Complete Jean-Guy Lamothe's vision.
Complete Gilles Lachance's vision.
Take a picture needed for the investigation.
Reach the General Store.