Here is the full list of all 37 Hunting Simulator 2 achievements.
Claim your first animal.
Claim 1 animal in each of the 3 regions.
Claim 1 animal in every district in each region.
Purchase every weapon.
Purchase all gear at least once.
Find all Points of Interest in Pawnee Meadows.
Find all Points of Interest in Roosevelt Forest.
Find all Points of Interest in the Czechia Marshlands.
Find all Points of Interest in Harghita County.
Find all Points of Interest in the Chihuahuan Desert.
Find all Points of Interest in the Bandera Region.
Find all Points of Interest in Colorado.
Find all Points of Interest in Europe.
Find all Points of Interest in Texas.
Find all Points of Interest in every region.
Complete all competitions in the Shooting Range.
Spot your first animal.
Analyze your first track.
Analyze 100 tracks.
Analyze 5,000 tracks.
Claim an animal after your dog has tracked it.
Claim an animal after your dog has retrieved it.
Claim an animal after your dog has tracked its blood.
Claim an animal after your dog has pointed toward it.
Max out all three meters for one of the dogs.
Max out all three meters for every dog.
Spend an hour in a stand.
Land a killing shot from a stand.
Claim a young animal.
Claim an adult animal.
Claim a mature animal.
Claim one of every prey.
Claim one of every predator.
Claim one of every animal.
Take out two waterfowl with one shot.
Spend an hour in the shooting range.
Analyze 1,000 tracks.