Full list of all 40 Shantae and the Seven Sirens achievements worth 1,400 gamerscore.
The base game contains 38 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 2 achievements worth 400 Gamerscore.
Deactivate all the Towers.
Upgrade all magic to max.
Defeated the fifth Siren.
Obtain all magical forms.
Shock a circus squid.
Complete a Ghostly Quest.
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.
Enter the Sea Lab.
Obtain the Lucky Amulet.
Defeated the second Siren.
Use the valve.
Uncovered a possible threat.
Reach Tree Town.
Defeated the first Siren.
Have three Monster Cards equipped at once.
Took the tour!
Obtain a Monster Card.
Defeated the Empress Siren.
Complete the adventure!
Complete the adventure with 100% completion!
Complete the adventure as quickly as possible!
Complete the adventure with 100% completion as quickly as possible!
Revitalize cellular functions.
Turn an enemy to an ally by helping them heal.
Witness every magical outcome with Slimes.
Open all Shock Machines.
Unearthed all secrets.
Avoid startling the Lobster Girl throughout the adventure.
Collect all Monster Cards.
Win the highest total in a Hula Contest.
Complete the game without any Health upgrades and all Heart Squids collected.
Complete the game in Beginner or Definitive Mode
Complete the game in Rule Breaker or Full Deck Mode