Full list of all 55 Moonstone Island achievements.
The base game contains 53 achievements, and there is 1 DLC pack containing 2 achievements.
Tame a holographic Spirit
Spend a year away from home
Spend a year away from home and never pass out
Catch 100 fish
Catch 1000 fish
Have a villager accept a Moonstone Bracelet
Go steady with Magic Man
Clear all the dungeons
Clear all the temples
Close the Rift
Craft 1000 items
Tame 10 Spirits
Tame 69 Spirits
Tame 100 Spirits
Tame one of every Spirit
Tame a spirit higher than level 50
Banish 200 Spirits
Propagate 20 seeds
Fill seed case
Earn 1 million coins
Earn 2 million coins
Reach 8 hearts with someone
Reach 8 hearts with 10 people
Upgrade your house
Upgrade your basement to maximum size
Upgrade your Spirit Barn to maximum size
Upgrade your Greenhouse to maximum size
Discover 10 mines
Discover 50 mines
Win a battle with 1 HP remaining
Flee a battle with 1 HP remaining
Pass out after eating Ossono’s Dish of the Day
Pass out after being struck by lightning
Sleep in someone else’s bed
Get to bed less than 5 minutes before 2AM
Catch Old Boots twice in a row
Get rejected for three dates in a row
Be rescued by the Magic Man 5 nights in a row
Miss a date by passing out in a dungeon
Gift fibre to every villager
Place a home on the outermost ring of islands
Fail to Flee three times in one battle
Have Coolslime and Mystislime follow you
Have Hopstraw, Flamane, and Armbot follow you
Have over 25 plants in your house
Collect 420 Stones
Have 3 Spirits from different biomes following you
Get a free item from any shop
Hatch a Dark egg
Have 10 or more Energy in battle
Sell a crop for 200 coins or more
Find a buried treasure
Clear three dungeons in one day