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