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