Here is the full list of all 40 Shantae and the Seven Sirens achievements.
Complete the adventure as quickly as possible!
Complete the adventure with 100% completion as quickly as possible!
Complete the game in Rule Breaker or Full Deck Mode.
Avoid startling the Lobster Girl throughout the adventure.
Complete the game without any Health upgrades and all Heart Squids collected.
Complete the adventure!
Complete the adventure with 100% completion!
Complete the game in Beginner or Definitive Mode.
Defeated the Empress Siren.
Open all Shock Machines.
Collect all Monster Cards.
Turn an enemy to an ally by helping them heal.
Revitalize cellular functions.
Upgrade all magic to max.
Deactivate all the Towers.
Witness every magical outcome with Slimes.
Unearthed all secrets.
Defeated the fifth Siren.
Obtain all magical forms.
Complete a Ghostly Quest.
Shock a circus squid.
Unearth a buried treasure.
Learn all magical dances.
Defeated the fourth Siren.
Locate the sunken ship remains.
Fell for a double cross.
Open a Shock Machine.
Ascend to Armor Town.
Defeated the third Siren.
Win the highest total in a Hula Contest.
Enter the Sea Lab.
Obtain the Lucky Amulet.
Defeated the second Siren.
Have three Monster Cards equipped at once.
Use the valve.
Uncovered a possible threat.
Defeated the first Siren.
Reach Tree Town.
Took the tour!
Obtain a Monster Card.