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