Here is the full list of all 52 Skinwalker Hunt achievements.
Hunt down and kill skinwalker without dying.
Kill skinwalker in the Chernobyl Forest level.
Consume 10 healing plants.
Kill 5 bears.
Craft a bear trap from parts of two broken bear traps.
Hunt down 50 animals.
Kill 5 boars.
Find the radiation resistance kit.
Make 35 headshots.
Kill 5 deer.
Kill skinwalker in the Longwind Valley level.
Destroy 3 skinwalker totems.
Find and take 50 items.
Kill owl, snake, boar, wolf, bear and the deer.
Kill 10 owls.
Kill possessed crow that is flying towards you.
Deal damage to skinwalker with a bear trap.
Enter skinwalker cave in Longwind Valley.
Clean the old double-barreled shotgun using a gun cleaning kit.
Kill 5 wolves.
Locate 3 skinwalker footprints.
Find a shotgun.
Deal damage to skinwalker.
Kill worshiper.
Find the weird looking skull in Longwind Valley.
Scare animals with a red flare 3 times.
Kill an owl.
Touch ancestor spirit.
Kill 5 creatures using tomahawk.
Catch 4 fishes.
Kill 10 enemies with a shotgun.
Kill 3 snakes.
Kill 5 skinwalkers.
Kill 30 deer.
Kill 30 bears.
Kill 30 boars.
Kill 30 wolves.
Find weird looking mushroom in Chernobyl forest.
Hunt down skinwalker with "Hide my position on map" enabled.
Find and shoot the creepy nailhead doll in the Chernobyl Forest level.
Cook 30 pieces of meat.
Kill 20 enemies with silenced rifle.
Find the book of the dead.
Become ultimate hunter.