Here is the full list of all 46 Shantae: Half-Genie Hero Ultimate Edition achievements.
Achieve 100% completion as a Ninja!
Defeat the Pirate Queen, Ninja style!
Conquer a fishy foe while dressed as a Ninja.
Complete a stage without using your sword.
Achieve 100% completion in your bathing suit!
Soar over Cape Crustacean in your swimwear.
Soak up the Scuttle Town sun in your swimwear.
Defeat 20 enemies with the Beach Ball.
Take out the trash!
What was that for?
Foil the techno upstart!
Remind everyone who's boss!
Obtain all win screens in any Shantae Mode!
Achieve 100% completion as Shantae!
Beat the game in color-swapped clothing!
Defeat Risky Boots!
Defeat Risky Boots while in Tinkerbat Form!
Defeat 10 enemies as a Blobfish!
Defeat 5 or more enemies with a single Obliterate!
Foil the Dual Barons!
Finish the race!
Find the lost memories!
Stop the Techno Baron!
Save Scuttletown!
Land the final strike on any boss with only a sliver of your own health left.
Complete Hard Core Mode!
Use your Tinkerbats to defeat 15 renegade Tinkerbats!
Complete Pirate Queen's Quest with zero upgrades!
Give 'em something to think about!
Defeat the Half-Genie brat!
Achieve 100% completion as Risky Boots!
Obtain all win screens in Pirate Queen's Quest.
Raise all three friends to Max Level!
Save blah blah blah...
Free a captivating captive!
Brings back memories...
Take down an army.
Clear the residence of evil.
Save your friend from a sinister force.
Achieve 100% completion as Sky, Bolo, and Rotty!
Obtain all win screens in Friends to the End.
Get crushed by a switch block.
Wipe someone's criminal record as an Officer of the Law.
Enforce curfew as an Officer of the Law.
Achieve 100% completion as an Officer!
Obtain all win screens while playing as Shantae in her Ninja, Beach, and Officer costumes!