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