Here is the full list of all 35 Kona achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Take all pictures needed for the investigation.
Find all campfires in the wild.
Find every house and cabin in the village.
Find all documents.
Collect the 10 letters from Martin Blais' treasure hunt.
Shoot a flare at night.
Find all talismans.
Find three talismans.
Get rid of wolves without killing.
In typical Canadian fashion, Carl left $10 for the cutoff chain.
Complete the game without using vehicles (past the Store).
Complete the game without firing any firearms shot.
Throw a steak at a strange creature.
Light a dark area with the lantern.
Complete the game.
Complete the game without drinking any alcohol.
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 all crossbow bolts.
Get rid of the ice wall.
Clear the boulders near the Lachances' house.
Complete Gilles Lachance's vision.
Complete Gisèle Lachance's vision.
Find the rifle.
Complete Réjean Blouin's vision.
Repair the snowmobile.
Send a radio message with a big antenna.
Find a winter coat to keep you warm.
Activate the spaceship.
Complete Jean-Guy Lamothe's vision.
Take a picture needed for the investigation.
Reach the General Store.