With today's update, August 21, 2023, new party types have been introduced to 7 Seas Casino.
Grab 'n' Go - Players attend the party and receive the Charms. There is no Party Buster.
Party Buster - Players receive the Charms and fill the Party Buster.
Party Buster Blitz - Choose a main entry Charm and extra Charms players must purchase to fill the Party Buster.