Here is the full list of all 35 STORY OF SEASONS: Friends of Mineral Town achievements.
Cook 50 different kinds of dishes.
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.
Have a total of 5,000,000G at once.
Own at least 4 Angora rabbits.
Reach Spring of Year 2.
Reach BF255 in a mine.
Reach BF100 in a mine.
Renovate every building on your farm.
Renovate your house twice.
Reach BF30 in a mine.
Own at least 4 chickens.
Cook 10 different kinds of dishes.
Win the Cluck-Cluck Clash.
Catch 10 different types of fish.
Own at least one of every livestock type.
Have a total of 50,000G at once.
Have a total of 100,000G at once.
Stay in the Hot Spring for 10 hours straight.
Reach Spring of Year 3.
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 every kind of dish.
Ship every type of crop.
Ship every type of crop with ★5 quality.
Own 5 pets.
Win the Moo-Moo Festival.
Win the Fluffy Festival.
Eat at least one of every type of dish you can make.