Nina Costume Party. Nina has organized a costume party at the beach and you need to help her get ready before her friends arrive in this amazing dress up game! Bake a delicious cake and decorate it to match the theme of the evening. Select a cool costume for Nina – do you prefer super heroes, magicians or fairytale characters? Choose cute accessories, apply fancy make-up and decorate the party location, then you are all set for the night! Enjoy and have fun in playing this free online game.