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