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