Here is the full list of all 50 STORY OF SEASONS: Pioneers of Olive Town achievements.
Repair the hydroculture plant.
Confess your love to a resident.
Ship a top-quality crop.
Obtain 50 containers of milk from your livestock.
Get your motorcycle repaired.
Apply a breeding kit to one of your animals.
Learn all skills.
Ride a mount.
Catch 50 fish.
Reach the lowest floor of the far-off mine.
Ship a total of 100,000G in items.
Obtain a total of 5,000 items.
Obtain 50 eggs from your chickens.
Clear away the big fallen trees.
Make 10,000G in a single day.
Chop down 100 trees.
Drain water 50 times.
Harvest 50 flowers.
Cook 20 times.
Cut grass 100 times.
Go to the Earth Sprite Village for the first time.
Harvest 50 crops.
Repair the dilapidated bridge.
Obtain 10 articles of clothing.
Break 100 stones.
Own a pet.
Till soil 50 times.
Upgrade your home to a log cabin.
Water your crops 50 times.
Own livestock.
Talk to residents a total of 50 times.
Harvest 50 tree crops.
Harvest 50 mushrooms.
Harvest 50 honey hives.
Obtain 50 tufts of wool, fleece, or fur from your livestock.
Catch a top-quality fish.
Craft 2,000 items.
Take pictures of all 21 wild animal species.
Upgrade your tools 28 times.
Max out all skill levels.
Propose marriage to a resident.
Be blessed with a child.
Deepen your relationship with your partner.
Cook up a top-quality meal.
Complete all of the museum's exhibits.
Record 900 entries in the encyclopedia.
Upgrade your home to a gorgeous house.
Clear all of Lovett's requests.
Complete all town development projects.
Run the farm for 1 year.