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