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