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