Princesses Underwater Adventure - Rating: 87.5% with 34 votes Game Description: Princesses Underwater Adventure is a free Cartoon game for girls to play online at MafaGames.com. You can play Princesses Underwater Adventure in your browser for free. Ariel invites Moana and Rapunzel to the undersea kingdom for a party. Although both princesses have become mermaids, they do not have the costume of the mermaid kingdom. Can you help them find some clothes and match them? More >>