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