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