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