Here is the full list of all 44 Shantae and the Pirate's Curse achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Defeat the Pirate Master's true form and save Scuttle Town in record time!
Complete the game without any Health upgrades and all Heart Squids collected.
Saved Scuttle Town as fast as possible!
Play keep away with the Ammo Baron.
Get Rottytops to Abner Tree without making any mistakes in a single attempt.
Defeated the Cyclops Plant using only Pike Balls.
Defeat the Pirate Master's true form.
Defeated the Pirate Master's true form without taking any damage.
Collect all Heart Squids.
Collect all of the Dark Magic.
Defeated the Pirate Master without taking damage.
Defeated the Pirate Master.
Discover the secret Labyrinth.
Destroy 20 bones with the Bubble Shield.
Collect all Labyrinth maps.
Complete the hidden training room.
Defeated the Steel Maggot without taking damage.
Defeated the Steel Maggot.
Help Ammo Baron fire the Palace Disruptor Cannon.
Collect the Enchanted Blade.
Collect 50% of the Dark Magic.
Obtain the Spirit from Abner.
Defeated Dagron without taking damage.
Defeated Dagron.
Collect 50% of the Heart Squids.
Obtain Manly Musk.
Obtain the Fossil.
Defeated the Squid Baron.
Defeated the Squid Baron without taking damage.
Defeat 50 enemies using Pirate Weapons.
Sample the entire menu!
Obtain the Golden Pickaxe.
Obtain all three Mummy Sketches.
Use a Pirate Flare to return to Risky's ship.
Defeated the Empress Spider.
Defeated the Empress Spider without taking damage.
Destroy 10 Spider Eggs before they hatch.
Obtain Squid Oil.
Defeat 250 enemies using Shantae's Monster Whipper!
Defeated the Cyclops Plant without taking damage.
Defeated the Cyclops Plant.
Release the Ham Stink.
Defeated the Ammo Baron.
Defeated the Ammo Baron without taking any damage.