Here is the full list of all 35 STORY OF SEASONS: Friends of Mineral Town achievements.
Ship every type of crop with ★5 quality.
Own 5 pets.
Reach Spring of Year 5.
Cook every kind of dish.
Win the Fluffy Festival.
Make 300 offerings to the Harvest Goddess. (1x per day)
Eat at least one of every type of dish you can make.
Have a total of 5,000,000G at once.
Win the Moo-Moo Festival.
Reach Spring of Year 3.
Catch every type of fish.
Cook 50 different kinds of dishes.
Ship every type of crop.
Catch 50 different types of fish.
Reach BF255 in a mine.
Get married.
Reach Spring of Year 2.
Successfully confess to every romance option before marriage.
Reach BF100 in a mine.
Reach BF30 in a mine.
Cook 10 different kinds of dishes.
Breed at least one of every livestock type.
Own at least 8 alpacas.
Own at least 8 sheep.
Renovate every building on your farm.
Own at least 4 Angora rabbits.
Own at least 8 cows.
Renovate your house twice.
Win the Cluck-Cluck Clash.
Own at least 4 chickens.
Stay in the Hot Spring for 10 hours straight.
Own at least one of every livestock type.
Have a total of 100,000G at once.
Have a total of 50,000G at once.
Catch 10 different types of fish.