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