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