Here is the full list of all 30 The Deer God achievements.
Finished the game and became an Elder.
Collect all relics.
Kill the eagle.
Use 3 items at the same time.
Run for 50,000 meters.
Become an adult.
Ride a train.
Eat 25 mushrooms.
Raise 5 babies.
Beat all bosses.
Ride a tortoise through spikes.
Finish the game with all achievements.
Survive for 50 days.
Hatch 3 falcons.
Acquire all powers.
Get full light karma bar.
Eat 100 plants in one game.
Find 10 treasure boxes.
Find 10 turnips.
Kill 10 cows.
Get full dark karma bar.
Kill 10 deer.
Collect 25 eggs.
Kill 5 foxes with fire.
Freeze 5 hunters.
Find 10 deer heads.
Collect 10 skunk cabbages.
Don't kill any creatures for 15 days.
Become 3 different animals.
Finished the game and became a human.