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