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