Here is the full list of all 30 On My Own achievements.
Travel to all 4 biomes
Equip Jacket, Hat, and Backpack Upgrade
Complete all journal entries for the Alpine Tundra Biome
Eat every edible food in the game
Travel to 3 biomes
Catch 5 Fish
Complete all journal entries for the Woodland Lake Biome
Kill 5 animals with a bow
Survived a bear attack/encounter
Create a fire without matches or coals
Survive through all 4 seasons
Complete all journal entries for the Woodland Biome
Craft a bundle bow
Travel to a different camp
Travel to the winter world
Equip a fox skin hat
Catch 5 animals in snares or traps
Forge food from an edible plant
Craft an item to aid in survival
Start a fire to stay warm during the night
Chop down a tree
Find a secret letter
Chop 200 trees down
Kill 5 foxes
Craft every item in the game
Reached the summit of the Mountain Biome, completing the game
Equip the bear jacket
Encounter/survive an avalanche