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