On the main menu, select continue, and enter the passwords bellow to play their perspective levels. If you entered the password correctly, the level will automatically begin.

Level - Password

Level 1 - mushroom
Level 2 - trumpet
Level 3 - cloudy
Level 4 - rabbit
Level 5 - sunshine
Level 6 - spider
Level 7 - apron
Level 8 - rainbow
Level 9 - goose
Level 10 - england
Level 11 - mountain
Level 12 - captain
Level 13 - snowman
Level 14 - witches
Level 15 - monkey
Level 16 - princess
Level 17 - window
Level 18 - coconut
Level 19 - football
Level 20 - concrete
Level 21 - elephant
Level 22 - phantom
Level 23 - dragon