Here is the full list of all 49 HARVESTELLA achievements.
Earn over 1,000,000 Grilla from shipping
Defeat every kind of FEAR
Destroy all walls with bombs
Cook HQ Pure Medicinal Porridge
Complete Chapter 10
Complete all quests
Reach maximum closeness with everyone
Catch every kind of fish
Unlock all jobs
Complete Chapter 9
Complete Chapter 8
Harvest a high-quality Islet Watermelon
Complete Chapter 7
Complete Chapter 6
Level up your pet to its maximum level
Complete Chapter 5
Complete Chapter 4
Harvest crops a total of 1,000 times
Complete Chapter 3
Catch 20 fish in a day
Clear 10 floors of the Karenoid
Catch a size 10 Quotidicrab
Catch 10 kinds of fish
Feed your pet for the first time
Expand the farm to level 3
Rear your first livestock
Collect 10 Conellu Dolls
Defeat your first FEAR
Catch your first fish
Improve closeness 5 times
Complete 5 quests
Cook 5 kinds of meal
Fortify your weapons a total of 5 times
Craft 5 kinds of item
Complete Chapter 2
Complete Chapter 1
Harvest your first crops
Harvest crops a total of 10,000 times
Expand the farm to its max size
Craft every kind of item
Cook every kind of meal
Rear max livestock and max bond with all
Exchange vows with a partner
Collect all Conellu Dolls
Fortify all weapons to max strength
Overcome the last trial of the Karenoid
Find all caves by digging
Eat Dangerous Nitro Sautee at break time
Max out all 4 Break Gauges