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