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