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