Here is the full list of all 30 The Deer God trophies - there are 12 bronze, 12 silver, 5 gold and 1 platinum.
Finish the game with all trophies
Finished the game and became a human
Become 3 different animals
Ride a tortoise through spikes
Collect 25 eggs
Beat all bosses
Collect 10 skunk cabbages
Kill 10 cows
Find 10 turnips
Kill 10 deer
Get full dark karma bar
Run for 50,000 meters
Find 10 deer heads
Use 3 items at the same time
Hatch 3 falcons
Freeze 5 hunters
Finished the game and became an Elder
Acquire all powers
Get full light karma bar
Collect all relics
Kill the eagle
Survive for 50 days
Find 10 treasure boxes
Kill 5 foxes with fire
Ride a train
Eat 25 mushrooms
Become an adult
Eat 100 plants in one game
Raise 5 babies
Don't kill any creatures for 15 days