Here is the full list of all 31 Hokko Life achievements.
Get all other achievements
Unlock the expansion to the farm
Catch 20 unique types of fish
Complete 10 fishing challenges
Complete your first multi ingredient recipe request
Compete in 4 fishing tournaments
Grow 16 unique Vegetables
Grow 6 unique Fruits
Create a design that uses at least 1 piece from 10 different piece packs
Decorate your own Christmas Tree
Visited all mainland locations
Make a stone bed
Create 20 designs
Design an original item and place it in your own house
Plant 50 trees
Download an item from another players online store
Catch 20 unique types of bugs
Sleep in someone elses bed
Complete Meeting Villagers
Renovate a home for yourself
Build a bridge to cross the river
Move in your first villager
Build your first house
Explore all floors of the mine
Unlocked all design tool features
Travel to the city center
Meet the Bug Catcher
Meet the Fisher
Catch a Boot
Redecorate the interior and exterior of a house
Have 10 user-designed objects in your home