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