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