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