100% Achievement Guide ~ Moonstone Island

(Updated Valentine achievements) Welcome to my comprehensive guide detailing all achievements and outlining both missable and ones to prioritize.

Introduction

To keep it short this game is a Faming Sim/Monster Taming hybrid so I’ve divided the achievements into sections accordingly. “Spirits” for monster related achievements, “Social” for relationship achievements, “Cumulative” for progression type achievements and of course the stereotypical “story”, “missable”, and “miscellaneous” sections with an additional "priority" section for achievements to keep an eye on.

NOTE: I thought I should mention that there is an official Moonstone Island wiki[moonstoneisland.wiki.gg] which is an extremely helpful additional source of info which has stuff such as all the sprites of the holographic spirits in the game, information on best choices during dates, NPCs likes and dislikes and much more extra info which my guide doesn't cover if that interests any of you.

2nd Note: I created an updates section which contains info on any future achievements added or achievements affected by future updates, this section is also used since some sections reached a character limit so if you think something is missing check the updates section and it'll probably be covered there.

Statistics

Estimated difficulty: 3/10
Estimated time to complete: 50-70 hrs
Offline achievements: 55
Online achievements: 0
Playthroughs required: 1
Missable achievements: 1
DLC achievements: 0

(Source: I made it up)

Missables

Seanie See, Seanie Dew
Clear three dungeons in one day


There are 30 available dungeons spread throughout the various sky islands, if you complete them all before this achievement you'll need a second playthrough. A dungeon is considered "complete" when its respective guardian is defeated and the Ando Tree blessing is received. Having a secondary home and the "Morning Person"~"Early Riser" skills from the Social skill tree are helpful but not necessary. Simply choose 3 dungeons close to your home and spend 1 day clearing out the enemies beforehand while learning the route to the guardians, and a second day to actually complete all 3 of them.

Priority

Banana Peel Moment
Fail to Flee three times in one battle


This should be done before unlocking the "Peaceful Presence" and "Fleet Foot" skills on the combat skill tree which boosts your escape odds, there is a reset potion in the game if you've already acquired the skills.

It's Not Alchem-You, It's Alchem-Me
Get rejected for three dates in a row


This achievement should be done earlier in the game before you increase your friendship level with the NPCs too high. Higher friendship level increases their likelihood of accepting your date request and decreases the chances of getting this achievement. Asking them early on in the game to go to the Hot Spring should be 10% and help get this achievement out of the way quickly. Though you can still obtain this even in the late game with the unlikely 90% odds by save scumming (saving and loading between rejections).

You Dunj Messed Up
Miss a date by passing out in a dungeon


This achievement along with the next 3 achievements conflict with the Making Your Mother Proud achievement so it's best to get them out of the way as quickly as possible. Also keep in mind that if you want to chain this achievement with the others for the My Hero achievement make sure to pass out in any dungeon besides the one on the starter island or you won't be rescued by Magic Man.

Reverse Frankenstein
Pass out after being struck by lightning


Lightning strikes exhausts you of 10 stamina, to get this achievement you simply need to be struck by lightning on a electric island with less stamina than that. Also as previously stated this achievement conflicts with the Making Your Mother Proud achievement so should be done as early as possible and it can be chained with the others for the My Hero achievement.

She Did Warn You...
Pass out after eating Ossono’s Dish of the Day


Ossono's dish of the day can be purchased from Ossono in the tavern west of town, each day it has a random status effect which can include reducing your stamina. Simply eat the dish when you get this effect and are below the indicated stamina.

My Hero
Be rescued by the Magic Man 5 nights in a row


This will likely not occur naturally so you'll have to go out of your way for it, the previous 3 achievements can be chained while aiming for this one but you'd still need to pass out an additional 2 days. Again this conflicts with Making Your Mother Proud achievement.

Making Your Mother Proud
Spend a year away from home and never pass out


This achievement is to spend a year or more specifically 112 days without passing out, doesn't matter when in the year you start. The earliest this can be obtained is the second day of the second year due to the game having a mandatory pass out on day 1. Like previously stated you should do the previous 4 achievements quickly then begin this one.

Props To You
Propagate 20 seeds


You can sell seeds from the outer islands to Ofelia or Gaiana in the conservatory and they will propagate them so they become purchasable from Rowan's General store. They ask for 10 seeds per season so the earliest you can get this is Summer, though it's unlikely unless you managed to craft a moonstone scythe in Spring. You'll need to get all of them regardless for the I've Seed It All achievement.

I've Seed It All
Fill seed case


You fill the seed case by propagating all 40 seeds Ofelia asks for, you don't have to worry about getting all the spring seeds on the first year as you will have to go into the second year regardless but you should make a moonstone scythe during Summer or earlier and start trying to get them all from there.

Story

Temple Tamer
Clear all the temples


This achievement is unmissable, you should achieve this naturally by clearing the four seasonal temples spread across the sky islands.

Nature Is Healing
Close the Rift


The rift is located on one of the dark islands which can be found somewhere along the outermost ring (randomly generated), to close the rift you need to obtain the seals from all 4 seasonal temples and place them on the pedestals surrounding the rift.

You're A Real Alchemist Now
Spend a year away from home


Self explanatory, you'll get this achievement on the first day of the second year in the game. A year is 112 days.

Spirits

Gotta Catch Some Of Them
Tame 10 Spirits


Spirits can be found on any island beside the central island, they can be tamed using crops that have the "Tame" stat, you can only hold 3 spirits on you at all times after which you'll need to craft a spirit barn or release the spirits. (released spirits do still count towards the tally)

Nice
Tame 69 Spirits


There are 61 tameable spirits in the game so you will need to catch duplicates to get this achievement and the Hope You've Got A Lot Of Moonstone Stalls achievement.

Hope You've Got A Lot Of Moonstone Stalls
Tame 100 Spirits


You should unlock this naturally if you utilize the strategy in the Holo There achievement to get a holographic spirit.

Horse Whisperer, But For Spirits
Tame a spirit higher than level 50


You will need to obtain the "Master Spirtmancer" skill from the Spirits skill tree to be able to catch a level 50 spirit. You will also need crops with high "Tame" stats.

Devilled Egg
Hatch a Dark egg


Spirits have a chance to drop spirit eggs after a battle, this can be increased using the skill "Spirit Eggs" from the Spirits skill tree. For this you need to battle dark spirits on a dark island to get a dark spirit egg then place it inside your spirit barn to hatch. Alternatively you can also capture a dark spirit while going for the Horse Whisperer, But For Spirits achievement then get the Spirit Nester skill from the Spirits skill tree which makes it so Spirits in the barn have a chance to drop eggs.

Gotta Tame 'Em All
Tame one of every Spirit


There are 61 (now 74) tameable spirits in the game which I provided in the table below. (The remaining 5/79 are bosses)

NOTE: Ice type spirits only spawn during winter on Earth and Water Islands. Psychic Spirits are found in Psychic Storms which occur on a random island every day at 20:00 p.m. You can later unlock the blueprint (random) for a potion that reveals the storms.

2nd Note: Check the "Updates" section for the "missing" spirits.

Earth	Water	Poison	Electric	Fire	Ice	Psychic	Dark
Ankylo (only obtainable as starter or eggs)	Baebaeu	Birdbrain	Armbot	Carkey	Bandicle	Beardini	Arkeya
Brickhouse	Claudio	Emoshroom	Bulbot (only obtainable from eggs or electric island mines)	Flamane	Bonguin	Lookachoo	Darkoffee
Coolslime	Dropple (spawns on water islands after Summer temple completion)	Marsha	Burgloon	Flambit	Sorbaton	Loonylid	Evileye
Dusty	Fishbo	Radlad	Capacibee	Lucerna (only obtainable from eggs or fire island mines)		Magicat	Karoyte
Fluffox	Flote	Ribbite	Cumulo	Prikli (only obtainable from eggs)		Minoot (only obtainable from eggs)	Puppox (only spawns after rift is sealed)
Gemlin (only obtainable from eggs or earth island mines)	Octopup	Snaplant (spawns on poison islands after Fall temple completion)	Sparky (spawns on electric islands after Summer temple completion)	Sheemp		Mystislime	Wolfbane
Hopstraw	Sandcrashle	Taddle		Sinjin		Posho
Longlog (spawns on earth islands after Spring temple completion)	Snorcko	Trunkle (only obtainable from eggs or poison island mines)				Rablit
Mumbleweed	Starsee					Taro
Oaken	Torble (only obtainable from eggs or water island mines)
Pappus
Punchypot (only obtainable from eggs or earth island mines)

Fishbo? FishBYE
Banish 200 Spirits


Spirits are banished when you defeat them in battle, completing the temples and clearing all dungeons should greatly contribute to this achievement. It can also be farmed on a low level island.

Elemental, My Dear Spirit
Have 3 Spirits from different biomes following you


There are 8 different spirit typings in the game, for this achievement you need to catch 2 more spirits of different typings from your starter and form a team of 3 different typings FOLLOWING you (make sure the follow option is actually toggled in the spirit medallion and they appear in the overworld). Refer to the chart in the Gotta Tame 'Em All achievement section for a list of all the spirits if neccessary.

Follow the Yellow Brick Road
Have Hopstraw, Flamane, and Armbot follow you


Simply have Hopstraw (Earth spirit), Flamane (Fire Spirit), and Armbot (Electric Spirit) all in your party AND following you.

Terraria Forever!
Have Coolslime and Mystislime follow you


This is just like the rest of the following achievements, for this one you need to have Coolslime (Earth spirit) and Mystislime (Psychic spirit) following you.

Holo There
Tame a holographic Spirit


Holographic spirits are variants of the base spirits with altered color palettes, this doesn't affect gameplay and is purely cosmetic. Holos have a 0.2% or 1/500 chance of being encountered. They can be both encountered and hatched. Below I'll list the 3 easiest methods to get one.

1.) By far the easiest method, get a bunch of eggs (I recommend between 20~40), place them all the same day, save the day before they hatch. What spirit an egg hatches is predetermined but whether its a holo, so you can keep reloading. The achievement will pop inside your home when you wake up before you even see the spirit in the barn. This method is great because you don't have to keep an eye out for the holo so don't risk running away from one by accident, which can be annoying especially when some of them have slight alterations that are barely noticeable.

2.) Have Evileye (dark spirit) in your party which have the passive ability to make spirits spawn more frequently, then simply go on your island of choice until you see a holo spawn in the overworld.

3.) Spam re encounters with a wild Spirit. Although the Spirit engage battle with is predetermined, if the fight is a group encounter and that spirit has allies then its allies can be holo even if the spirit you originally engaged wasn't.

Battle

NOTE: These 3 achievements were going to be originally added to the Spirit section but It reached a character limit so I created this new Section rather than adding these to something like the Miscellaneous section that way these achievements are located close to the Spirit related achievements.

Clutch Win
Win a battle with 1 HP remaining


Have just 1 Spirit in your party, battle a low level wild spirit and pay attention to how much damage its attacks do. Lower its hp and maybe armor first then keep ending your turn while letting the enemy attack you. If you realize an attack is going to take you out then heal using a healing crop and continue taking damage until you know you'll be 1 hp. Alternatively you can also battle a wild spirit with 2 spirits, have one of them be knocked out then flee. The Spirit that was knocked out will be 1hp, now you can store the other spirit in the barn and engage a wild low level spirit in battle again. If you have a good deck you should be able to take it out in one turn, high level armor can help you last multiple turns if you don't unless the enemy is a fire or poison spirit.

That Was Probably A Good Idea
Flee a battle with 1 HP remaining


This is way easier than the previous achievement, you can get this immediately after getting the Clutch Win achievement since you'll already be at 1hp. Go into battle again then flee, it helps to have the "Fleet Foot" skill from the Combat skill tree for a 100% flee rate (Make sure you get the Banana Peel Moment achievement before acquiring the "Fleet Foot" skill). If you don't do this immediately after the Clutch Win achievement just do the same strat again of having 2 spirits in your party and having 1 knocked out then fleeing, deposit the full hp spirit into the barn and engage a battle with a low level spirit then flee.

Bouncing Off The Walls
Have 10 or more Energy in battle


Psychic Spirits have cards that add energy or multiply your current energy, if you have 1 on your main team this should be obtained naturally but if not the easiest way is to make the Psychic spirit your only party member (so there's less cards in the deck to draw from) and use cleanse cards to reduce the Psychic spirits deck. From there start a battle and hope you get the right cards.

Social

Cheapskate
Gift fibre to every villager


Fibre is a resource that is obtained by cutting down grass with the scythe, you need to gift one to each of the 10 villagers and Magic Man.

Update: According to @DiscordStreamWraith Magic Man is required on top of the 10 base villagers regardless of whether he moved in or not.

On The House
Get a free item from any shop


You can get a free item by completing 5 specific peoples' matchmaker quests, those people include Ossono, Quill (only on Fridays), Ofelia, Gaiana, and Magic Man.

Please Like Me
Reach 8 hearts with someone


There are 11 romanceable NPCs in the game, the 10 initial villagers and Magic Man after he moves in . You can raise their friendship points through conversation (i.e talking, joking, and flirting), dates, and gifts. Additionally on the last day of the year during the "Happy New Year!" quest you can also gain points by watching the fireworks with a person of your choosing . Reach max hearts with someone for the achievement.

Everybody's Favourite Person
Reach 8 hearts with 10 people


Only 10 of the 11 romanceable NPCs are required to reach 8 hearts for this achievement, this includes Magic Man .

They Said Yes!
Have a villager accept a Moonstone Bracelet


The Moonstone bracelet blueprint is unlocked through progression of the Social skill tree, once unlocked you give it to one of the romanceable NPCs to become "more than friends". This will unlock the option for Home Dates and to sleep in that NPCs bed.

Where's Waldo? In Your Heart
Go steady with Magic Man


Simply give the Moonstone bracelet to Magic Man for this achievement, Magic Man becomes datable when "recovers his memories" though that's only partially true. You need to complete both the "The Magic Man's Mirror" AND "Close the Rift" quests.

Ohohohohohoooooo
Sleep in someone else’s bed


Once you gift the Moonstone Bracelet to a romanceable NPC you can sleep in their bed, you can just go to their house manually or do it through a home date with them as long as you don't choose the bad dialogue choice during the date.

Mawwiage bwings us togevah
I can't believe you didn't invite me, the achievement writer, to the wedding.


This achievement is obtained by marrying a villager, this is done using the Moonstone Ring (the blueprint for this item appears to be given via mail after completing all house dates with your partner). There appears to be two conditions before marriage, one you need to be dating (give them moonstone bracelet) and the second is to complete all the house dates. The achievement will pop during the wedding ceremony, 3 days (at minimum) after your proposal.

Hard To Get
We admire your determination. Congratulations!


This achievement is obtained by marrying Magic Man, same conditions as stated in previous achievement. This achievement can be obtained at the same time as Mawwiage bwings us togevah if its your first marriage.

Cumulative

Blaze it
Collect 420 Stones


As simple as it sounds, stone is an extremely common resource obtained by breaking rocks using the hammer. Rocks are found both on the surface of the islands and in mines (mines are also found by breaking rocks).

Whose Mine Is It Anyway?
Discover 10 mines


Mines can be randomly found by smashing rocks with the hammer, there can be 1 mine per island with the exception of the starter island that can have 3. You simply need to discover 10 of them, you don't need to clear them.

Bachelor Of Mine Arts
Discover 50 mines


Similarly to the Whose Mine Is It Anyway? achievement, you need to continue breaking rocks until you discover 50 mines.

Oooh Look At You, So Fancy With Your Big House
Upgrade your house


All building upgrades (besides Greenhouse) in the game including your home can be purchased from Paolo inside the Carpenter Shop (located South of the Conservatory). The First and cheapest Home upgrade costs 50 (stone) 50 (wood) and 2000 (coins).

So Much Room For Activities
Upgrade your basement to maximum size


Similarly to the Oooh Look At You, So Fancy With Your Big House achievement, you can unlock and upgrade the basement for your home in the Carpenter Shop. This is the most expensive upgrade, to build and upgrade the basement four times it will cost you 1000 1000 and 20,000 .

This Baby Can Fit So Many Spirits In It
Upgrade your Spirit Barn to maximum size


The Spirit Barn blueprint is unlocked upon completion of the quest "Spirit Research: Taming Spirits 101", it can then be crafted using the moonstone enchanter (obtained via the crafting menu). These upgrades are the most useful since it allows you to be able to hold all 61 tameable spirits in the game without the need to release them, this will increase your Spirit capacity by 80 for a total of 120 while setting you back 300 300 and 10,000 .

Ten Green Fingers
Upgrade your Greenhouse to maximum size


The greenhouse is a building that can be constructed using a moonstone enchanter. Unlike the other buildings this one is upgraded in the Conservatory (the northern most building in town made of glass). You need to upgrade it twice for this achievement, these upgrades come to a total of 350 350 and 12,000 .

Offishally Reel-ly Good At Fishing
Catch 100 fish


To get started you need to purchase a fishing rod from Tobin in his store on the beach, from there just equip it on your Tool Wheel and start fishing. This one is extremely easy, can be done in two in game days. You'll likely get this while trying to complete "Mythical Fish" quest for Tobin, which you should do so you can get a Moonstone Rod to help with the Offishally Maybe Too Good At Fishing achievement.

Offishally Maybe Too Good At Fishing
Catch 1000 fish


This is a tedious one, you can make this task go by slightly quicker by upgrading your fishing rod to the Moonstone Rod in Tobin's store (you must complete the "Mythical Fish" quest to be able to do this), and have 3 Snorcko (water spirit) in your party. The moonstone fishing rod makes fish bite faster and similarly Snorcko has a passive ability to make fish bite faster while it follows you. (they should be following by default but you can always toggle the follow option in the spirit medallion)

Eat The Rich
Earn 1 million coins


This sounds more difficult than it actually is, after completing the "Close the Rift" quest Magic Man will give you the blueprint for a Moonstone Machine which produces 1 Moonstone a day, so an infinite source of moonstones that can be smelted and sold to Ferra the blacksmith. I would suggest to save up moonstones once you clear the third temple so you can immediately craft lots of these, I had around 30 moonstone so I crafted 10 then eventually crafted 90.

Avocado Toast
Earn 2 million coins


Same thing as Eat The Rich achievement, just keep selling moonstones produced by Moonstone Machine .

Been There, Dunj That
Clear all the dungeons


There are 30 dungeons spread across the islands that need to be cleared for this achievement, dungeons abide by the same level rules as islands so if an island warns you the spirits are higher level the spirits in the dungeon will also be higher level. As highlighted in the Priority section make sure to do the Seanie See, Seanie Dew achievement before this one.

Miscellaneous

X Marks The Thingy
Find a buried treasure


Treasure maps are items that can be found randomly found on islands, upon inspection the map reveals an image of a different island with an "X" mark indicating the location of the treasure. Digging in the area located on the map with a hoe will award the player with a treasure chest and the achievement.

They're Made For Walking
Catch Old Boots twice in a row


Like the description says you just have to get the item "Old Boot" two times in a row while fishing, this should be obtained naturally while going for the Offishally Maybe Too Good At Fishing achievement, if you don't have it by that point you can also get it by save scumming. Catch the old boot, save, fish and reload until you get it a second time.

So Sweepy
Get to bed less than 5 minutes before 2AM


Each Day in game ends at 2:00 a.m. but the in game clock system only tracks every 10 mins, the easiest way to get this is to keep saving once the clock hits 1:50 a.m. next to the bed since your save file keeps track of time by the minute. Once you see 1:55 a.m. on the save file, rest to get the achievement.

CRAFTOTRON
Craft 1000 items


This achievement sounds gruelsome but should be unlocked naturally if you're going for 100% completion, while going for the Hope You've Got A Lot Of Moonstone Stalls and Gotta Tame 'Em All achievements it'll help to craft a lot of moonstone stalls which greatly contribute to this due to the cloth consumption. If you don't have it by the end simply craft paths or fences since they're extremely cheap.

Off The Grid
Place a home on the outermost ring of islands


This achievement can only be done once you craft a second home, as your first home can't be picked up until a second one is placed down. You don't need to pick up the original one just to place the second one on any island on the furthermost ring.

Farmer's Markup
Sell a crop for 200 coins or more


There is no crop in the game that costs 200 coins, but with the "Quality Produce" skill from the Agriculture skill tree you can boost a crops value by 20%. Though even with this method only four crops fit the criteria for the achievement, the Icicle Root (Dark Island), Gift Plant (Psychic Storm), and Snowdrop Flower (Psychic Storm) all of which are winter plants. The Black Pearl (Dark Island) can also be sold for 200 coins but only with "Best Produce" skill that increases a crops value by 30%. A crops price can also be increased by using fertilizer (all except growth fertilizer) but that isn't necessary.

Plant Lover
Have over 25 plants in your house


Plants are sold by Gaiana and Ofelia in the conservatory (glass building north of town) which rotates 3 decorative plants daily, 2/25 can be obtained for free (one for each of their completed respective Matchmaker quests). An easier solution is to simply craft plants using the decoration station, for example the "Tiny Plant". Regardless of method, once you have all 25 simply place them down.

Updates

I've added this section for any future updates that may affect achievements, some sections have reached character limit so I decided it'd be best to make a section just for this instead. I'll try to keep this up to date but let me know anything I miss in the future.

10/10/23: A Free content update added 3 new spirits to the game, they are Womr (Earth), Bonefire (Fire), and Catsket (Dark). These spirits spawn in the overworld and don't require eggs, this should affect Gotta Tame 'Em All as previously there were 61 tameable spirits and now there are 64.

10/27/23: A Free content update added a Skill Reset potion so achievements like Banana Peel Moment are no longer missable.

12/13/23: A Free Holiday content update added five new ice spirits, the new spirits are Eyesee (Ice), Honkshoo (Ice), Hygge (Ice), Whistler (Ice), and Yeeti (Ice). This should affect Gotta Tame 'Em All as previously there were 64 tameable spirits and now there are 69. (Nice)




2/6/24: 2 new achievements were added which will be obtainable with the Valentines Free Content update on February 13, 2024. The achievements are Mawwiage bwings us togevah and Hard To Get and will bring the achievement total from 53 to 55.

2/13/24: 5 new spirits were added with the the Valentines Free Content update, the new spirits are Barkbyte (electic), Breadmaus (electric), toxitoe (poison). (Other two will be updated when discovered). This should affect Gotta Tame 'Em All as previously there were 69 tameable spirits and now there are 74.

Conclusion

And that's everything, you have now 100%'d the entire game or read ahead/skipped to the end I dunno. This is my first ever guide so apologies in advance if there are any errors, call them out and I'll fix them. Leave an updoot or something if this guide helped you, or don't. I don't know how this works anyways.

[Dragon]

@Dweller You caught a lvl50+ spirit with only Intermediate Spiritmancer? That’s certainly interesting

[Dweller]

You don't need Master Spiritmancer for Horse Whisperer. I got the achievement and the highest I have is Intermediate Spiritmancer. The game just forced me to send the spirit to the Science Center instead of letting me send it to the barn.

[Dragon]

@Crow yeah I don't think it'll be very handy lol since that seems just more difficult, though it certainly is interesting that the achievement works like that as well

[Crow]

I don't think this is a very handy tip, but uh...if you pass out *then* get struck by lightning before the day ends, the achievement will still pop.

[Dragon]

@Stalmac I've checked the patch notes and there's no mention of them changing that, it's how I got it but I'll update the guide regardless so thanks for the info.

[Stalmac]

Note: The temple boss battles will not allow you to even attempt to run away from them, your character will just say that you aren't able to run away from this battle so you cant get the banana peel achievement from the bosses, I don't know if this applies to the final boss because I haven't reached them yet but it probably will.

[ijogavel nmrl]

yea after hatching one and beating the final boss

[Dragon]

@LewdSenpai I can't experiment since I've already obtained the achievement but it should be any of the furthest islands near the edge of the map. You're not punished if you place it on the wrong one since you can immediately pick it up again, you can guarantee it by placing it on a dark island.

[Dragon]

@LTG yourself I checked the wiki and it still says Prikli is only obtainable from eggs, it could be outdated tho. Was your first prikli found in the wild or did you start encountering them after hatching one?

[Dragon]

@DiscordStreamWraith Thanks for the info, I updated it in the guide. Doesn't seem to be an update that changed this so I might have just had it wrong initially.