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