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