Here is the full list of all 35 STORY OF SEASONS: Friends of Mineral Town achievements.
Get married.
Reach Spring of Year 2.
Reach Spring of Year 3.
Reach Spring of Year 5.
Make 300 offerings to the Harvest Goddess. (1x per day)
Have a total of 50,000G at once.
Have a total of 100,000G at once.
Have a total of 5,000,000G at once.
Catch 10 different types of fish.
Catch 50 different types of fish.
Catch every type of fish.
Cook 10 different kinds of dishes.
Cook 50 different kinds of dishes.
Cook every kind of dish.
Reach BF30 in a mine.
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 chickens.
Own at least 4 Angora rabbits.
Own at least 8 alpacas.
Own at least one of every livestock type.
Breed at least one of every livestock type.
Own 5 pets.
Win the Cluck-Cluck Clash.
Win the Moo-Moo Festival.
Win the Fluffy Festival.
Renovate your house twice.
Renovate every building on your farm.
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.