Memorial Option (movie and music player)
Complete the Dog's solar system stage (Beat the game)
Second Bonus Movie
Beat the cousin collecting stage.
Staff Credits Stage
Beat the game, and then talk to the girl with the yellow shirt.
Beat the game and talk to the astronaut to play this stage.
Cousin Collecting Stage
Find all the cousins, and then talk to the boy with the yellow shirt.
Million Roses Stage
Complete the cousin-collecting stage, and then talk to the rose.
View Comets & Shooting Stars
After completing a standard stage with a high score, a comet will fly across the sky, and a button will be displayed. On the Cosmos Screen, which is accessed by flying up from the hub screens, press the button that was shown to see the comet zoom across the screen.