This is a completionist guide for getting 100% achievements and knowing all the loved and hated gifts, somethings to note first:

• The game had an insane amount of bugs while I did this, as such there ARE some broken achievements.
  
• Some were also confusing or simply popping at the wrong spots, so I had to make some assumptions on how some of these are gained.
  
• If you have any knowledge you want to contribute on how to get a certain achievement, then feel free to comment.
  
• Also if any of the broken achievements get fixed or aren't actually broken and I haven't updated the guide, then also do let me know.
  
• If you find and unlock Rothschild, make certain to get on the mech she was sitting on.
  
• Lastly, I hope this guide is useful to you.

This section will show all the girls favourite and hated gifts, favourite gifts give double points while hated ones give no points, also note that it's not necessarily 'hated' but it still gives 0 points, all of these will also have their respective cutscene and some will give you a CG.
Each girl will have 4 favourite and 2 hated ones, except for Mayonna.
Any other gift besides the ones listed will be neutral and will just give the number of points that they list.
Gifting Juice to Baruu is bugged and will not give a cutscene, while giving it to Muuk will, regardless, the effect is the same.


Double Points:

• Cooking Notes
  
• Seaweed
  
• Mayonna

No Points:

• Princess Dress
  
• Silk

Double Points:

• Ore
  
• Liquor
  
• Barbecue
  
• Pepper

No Points:

• Book
  
• Fresh Fish

Double Points:

• Windmill
  
• Weights
  
• Silk
  
• Book

No Points:

• Princess Dress
  
• Rose

Double Points:

• Ancient Coin
  
• Dried Fish
  
• Gemstone
  
• Fresh Fish

No Points:

• Windmill
  
• Board Games

Double Points:

• Waffle
  
• Steak
  
• Candy
  
• Cake

No Points:

• Eaglewood
  
• Barbecue

Double Points:

• Detergent
  
• Steak
  
• Juice
  
• Liquor

No Points:

• Cake
  
• Princess Dress

Double Points:

• Bolster
  
• Tea Leaves
  
• Book
  
• Illustration Book

No Points:

• Cooking Notes
  
• Fresh Fish

Double Points:

• Eaglewood
  
• Daffodils
  
• Princess Dress
  
• Rose

No Points:

• Ore
  
• Dried Fish

Double Points:

• Illustration Book
  
• Bolster
  
• Doll
  
• Board Games

No Points:

• Weights
  
• Pepper

Double Points:

• Hair Band
  
• Amber Pendant
  
• Comb
  
• Tea Leaves

No Points:

• Illustration Book
  
• Juice

This section will be for all the achievements, it will separated into several sections:

• Not Missable - For the ones that you get as you play.
  
• Easy - For the ones that are easy to get
  
• Normal - For the ones that are normal to get
  
• RNG - For the ones that are based on RNG
  
• Weapons - For the achievements that have to do with weapons and equipment
  
• Girls - For the achievements that have to do with the girls
  
• Boss - For the achievements that have to do with bosses
  
• Broken - For the broken achievements, if you don't see an achievement in a previous section, then it was likely moved here.

This section will have achievements that you can't miss if you play the game, these will usually stop you from continuing into another run, that's why they're here.


Hello, World!
First encounter of the World of Magic


Start the game, you'll get this when you can first control your character.

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- "Talent - Chapter 1"
Unlock the Talent System


To unlock it just speak to Mayonna in the camp after collecting Monster Crystals (you may need to defeat the first boss too), after that just interact with the table to the right of the gift shop.

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Double-edged Sword
Meet "Her"


After clearing the game once, when you come back to camp, talk to one of the 2 girls near the center, they'll have yellow markers on top of them.

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Challenger
Activate Hard Mode


Play through the game in the normal mode and defeat the final boss, after completing a run it will automatically give this to you.

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Conqueror
Clear Hard Mode


First be sure that in the bottom left, above your HP, that there's a 'Seal Mark' there, that will make the current run be in hard difficulty, if it's not there, then you can select hard, go in, then go back to camp and you'll have it, the game only applies the difficulty AFTER a run, so you have to do this.

This section has all the (what I determined to be) easy achievements.


Which Roy Did You Drop?
Fall into the water


You can do this in the 1st area, find a room that has squares of water inside, then simply roll into them and fall, you'll take 20 damage and get this achievement as compensation.

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It Happens
Died in the First Room


I may have forgotten where exactly I died but pretty much you just need to die anywhere in the 1st area, or to be extra sure, in the first room, go up to the enemies and await your death.

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Secret
View Information Fragments for the first time


You get this from finding your first Information Fragment, you can find them throughout your run anywhere on the floor or, in some rare occasions, after defeating a boss a blue marker may appear indicating that they can be interacted with to obtain one of them.

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Armed To The Teeth
Simultaneously carry Melee, Ranged, Auxiliary, and Roll Blessings in a single game


Quite simple to do, as you play through an area make sure to select 4 blessings that target each of these 4 aspects and you'll get this.

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Elitely Eliminated
Beat the Elite Team


I got this after defeating the Stone Golem boss in the 1st area in my first time playing, so I put it here. From checking around, what you need to do is, during a new game, you will eventually encounter 4 elite enemies, you'll just need to defeat them, either before the boss, or in general throughout the 1st area. If it doesn't give it to you then you'll have to try again, probably with a new save.

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Are you trying to make us talk?
Get sprung away by Cactus Balls 10 consecutive times


In the 1st area, find a room with a cactus in it, simply walk into it 10 times in a row, you'll take around 120 total damage, you'll get this achievement as compensation after.

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Ter-mint-nator
Destroyed a total of 50 Cat Mint


Throughout the game, destroy a total of 50 of the cat shaped bushes/hedges, you can do this over the course of many runs.

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Garden Collector
Unlock all Garden Monsters in the Collection


After playing enough times through the 1st area and fighting the monsters there, simply open the journal, and you should automatically obtain this achievement, that's what happened to me. You should just need to encounter the normal versions of all enemies there.

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Fiery King Kong
Burned to death by magma


In the 2nd area, you need to take 200 to 250 damage on any lava pool, they will only damage you if the room still has enemies. I mention that number because that's how it popped for me, for you if it doesn't then you can try dying to it too.

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I'll Form The Head
Pilot a Mech for the first time


Simple to do, all you need to do is find Rothschild somewhere on the map and unlock her, she would be sitting on a mech and that's currently the ONLY one you can get your hands on. If you don't do it at this moment, then you'll have to restart the game or wait for the devs to fix this.

This section will have all the achievements that have a normal difficulty of getting.


Master of Tactics
Destroy a total of 200 enemies using the field mechanic


Using traps that appear on your run (for example the pumpkin minigun of the 1st area or the fire thrower of the 2nd), kill 200 enemies, fairly simple, it will take some time though, you can do this across many runs.

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Monster-Handled
Carry 3 Legendary Monster Girl Blessings in a single game


Self explanatory, make sure to bring girls that are compatible with eachother (in terms of blessings) so you can also have those legendary blessings in the pool to obtain, for example I'm pretty sure there's a blessing that's a combo between Mayonna and Alona and will be half red and half blue.
I think any blessing that has an orange border will count.

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Ultimate Beam Cannon
Use Laser Traps to defeat 20 enemies in a room


It may say this but I'm pretty sure this is total enemies, because it popped for me after getting some hits and I think 2 or 3 kills in a room.
One easy way to do it is to have a room with the laser trap in the 1st area also contain a nest, then just kill the birds with the laser.

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Super-est Roy
Complete the game with all of the weapons


You just need to complete the game once using all of the melee and ranged weapons, I say this because I never used the crossbow auxiliary weapon but it still gave me the achievement.

For the achievements that will be hard to get in general


Rain of Arrows
Destroy 10 enemies with a single Arrow Rain


In theory it should be easy by getting a good room in the 1st area that has at least 2 nests on it and using Asa's ult at the right moment, it also helps to not have pets around killing the enemies.

The reason I'm putting this on hard is because I've tried and twice it seemed like it should be successful but I guess wasn't, and it was confirmed by Skyfler in the comments that it did work for him after numerous attempts that looked like it should work, so I guess be very careful if you do have pets or something, as they may ruin many opportunities at this achievement making it almost seem like it's broken.

This section will contain all achievements that will need some RNG.


Lucipetal Adventurer
View 10 Information Fragments


Each boss in each area can have a chance at dropping those IFs, they also can drop them multiple times over the course of many runs as each one will be different as it tells a story, you can also find them throughout your run randomly on the ground.
Funnily enough, I got this achievement despite never having collected 10.

This section has all the achievements related to unlocking weapons.


Blade!
Unlock Sword


Use 5 meteorite fragments to unlock the sword at the workbench in camp.

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Bang!
Unlock Boomstick


Use 5 meteorite fragments to unlock the boomstick at the workbench in camp.

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Bash!
Unlock Sledgehammer


Use 5 meteorite fragments to unlock the sledgehammer at the workbench in camp.

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Veni, Vidi, Vici
Unlock Ballista


Use 5 meteorite fragments to unlock the crossbow at the workbench in camp.

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Boing~!
Unlock Springboard


Use 5 meteorite fragments to unlock the springboard at the workbench in camp.

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Alona's Work Collection
Unlock 5 types of Weapons


You start with 3 types unlocked, just use meteorite fragments to unlock any other 2 types (For example the sword and hammer) at the workbench in camp.

This section will have all achievements related to the girls.
Do keep in mind, for the monster form ones, it is random which girl out of the 4 you brought becomes the pet for the run, you can always return to camp and start another run anytime to reroll it.


Asa Asa
Talk with Asa for the first time


You get this after unlocking her from defeating the Stone Golem boss in the 1st area.

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MFF (Monster Friend Forever)
Participate in the interaction amongst Monster Girls


Interact with a girl in the camp for the first time.

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Mayonna’s
First time giving a gift.

Give a gift to any girl for the first time.

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I'm Going Crazy
Reached Level 1 Friendliness with a Monster Girl for the first time


Keep giving gifts to a girl until you reach heart level 5 with her, that's how I got this.

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Polygamy + 4
Reach Level 1 Friendliness with 6 Monster Girls


Get at least 6 different girls to heart level 5.
This one is weird (and potentially a bit broken), it didn't pop for me until I returned to camp from a run, so you may need to do that, I also had everyone maxed by then, in this run I was on preset 2 with 4 different girls from the usual ones I use, though I had by then played with 6 different ones across my runs, so who knows.

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Lucky Cat
Unlock Rothschild


I think she can spawn anywhere, she's a yellow cat girl sitting on a red mech. You'll need to interact with here which will spawn some enemies you'll need to defeat, after that, interact with her again and she'll join you.
I found her in the 3rd area.

After you unlock her be sure to get on the mech she was sitting on, you won't get another chance in the version as of writing to then get the I'll Form The Head achievement.

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Facing The Shadows
Unlock Circe


She has a random chance of spawning in any room to be able to be interacted with once, simply find and interact with her 3 times, after that, the next time you're in camp you'll have to talk to Asa who will introduce you to her, you'll then get this achievement.

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Eye For An Eye
Rescue Dorothy


I found her in the 2nd area, in the room with the Igloo, interact with her and offer her 50 HP, after that she'll join you.

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Are You Alright?
Unlock Mayonna’s Monster Form


Give her enough gifts to get her to heart level 2, you'll get this achievement after starting a run and having her appear as the pet.

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Too weak.
Unlock Alona's Monster Form


Give her enough gifts to get her to heart level 2, you'll get this achievement after starting a run and having her appear as the pet.

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Shush
Unlock Circe's Monster Form


Give her enough gifts to get her to heart level 2, you'll get this achievement after starting a run and having her appear as the pet.

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Remain Focused
Unlock Asa's Monster Form


Give her enough gifts to get her to heart level 2, you'll get this achievement after starting a run and having her appear as the pet.

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Being rich doesn't make you happy, it makes you crazily happy.
Unlock Rothschild’s Monster Form


Give her enough gifts to get her to heart level 2, you'll get this achievement after starting a run and having her appear as the pet.

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Latus Alterum.
Unlock Dorothy’s Monster Form


Give her enough gifts to get her to heart level 2, you'll get this achievement after starting a run and having her appear as the pet.

This section will have all achievements related to bosses.
Things to note:

• Each area has 2 bosses and 1 lord.
  
• Keep in mind that for certain achievements, if you do take damage then all you have to do is:
  
  1. Open the menu
     
  2. Exit game
     
  3. Relaunch the game and try again
  If you then do it successfully without taking damage it will still count.

No Pen, Only Sword
Defeat Little Daisy


Defeat the Stone Golem boss of the 1st area.

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Brothers In Arms
Defeat Bill and Lance


Defeat the Duo Goblins bosses of the 1st area.

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Hoo-goes There?
Meet Carl for the First Time


Enter the lord room of the 1st area.

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That's it?
Defeat Carl


Defeat the lord of the 1st area.

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That actually is it.
Defeat Carl without taking damage


Self Explanatory.

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Spicy Stir Fry
Defeat Oggs without taking damage


Self Explanatory.

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Master Slacker
Defeat Henry without taking damage


Self Explanatory.

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Overcooked
Defeat Beelzebub


Defeat the lord of the 2nd area.

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Pale And Weak
Defeat the Vampire without taking damage


Self Explanatory.

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Constantini
Defeat Baphomet without taking damage


Self Explanatory.

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Messi-nah
Defeat Messiah


Defeat the lord of the 3rd area.

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A Man of Focus
Defeat Greed


Defeat Greed Moses the lizard boss from the 4th area.

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All of you are my Wings
With 5 or more Blessings equipped, defeat Greed


Defeat Greed Moses the boss of the 4th area while having 5+ blessings equipped, you can check how many blessings you have by opening the Equipment Menu which is done by pressing the same button as the default one for the Gift Inventory

This unlocked for me at the start of my next run after I got defeated in the 4th area, I didn't even get to defeat him.

The achievements here are broken and can't be obtained, well, as far as I know at least.


For Mayonna
Get 5 different Mayonna Blessings and defeat Carl


I did this and I didn't get anything, but it should be what it says on the tin.

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Alona My Aloha
Get 5 different Alona Blessings and defeat Carl


I'm not gonna lie, I never tested if this works or not, but given that I've seen other people mention that it's broken and that it's pretty much the same as For Mayonna, I'm just assuming here, my apologies for that.

EDIT: Confirmed by Skyfler in the comments that it didn't work for him, so I guess it is indeed broken too.
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Addicted
Use the Gashapon Machine for a total of 50 times


Unless you have to find 50 different machines and use them each at least once, this is a broken achievement that doesn't work.

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Ring Sewer
Use Mechs to defeat a total of 100 enemies


You can get 1 mech when you first unlock Rothschild as that is what she's sitting on, but after that I've never seen it spawn again, so unless you can get this through unlocking Rothschild on a huge number of new saves and trying to kill many enemies each time, then you won't be able to get it.

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- "Talent - Cleared"
Unlock all Talents


Unlock everything using the monster crystals, or it would be, I did this, I didn't get it.

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Dorothy Is Praying
Get Dorothy's Breath of Life Seal and trigger it 3 times.


I have no idea what this is talking about, my best guess is that it's a mark, I farmed marks for a while until they stopped spawning, there's quite a few girls that still had locked slots for marks including Dorothy with 4 slots, so either:

• There's a wrong number of slots and this is about something else
  
• They changed the name and it's one of the marks
  
• Or because the marks bugged, you can't get it.

That's it, I hope this guide is useful to you, and I especially hope these achievements get fixed.