Instructions
Go to the official "Moshi Monster" website and click on the blue "Play Now" button. Choose and customize a monster to adopt. Click the "Next" button when finished.
Enter and create an username and password for your account. You will also need to provide an email address. Click "Next" when finished. A confirmation email will be sent to your registered email address. Go there and click on the link to activate your account. Re-enter your username and password to load your homepage.
Name your new "Moshi Monster" and answer the questions you are asked. These questions will help your monster form an identity. Click on the green "Membership" button located on the top of your homepage.
Press the green "Join Now" button. Select your country and method of payment. Start off with the one-month subscription if you are unsure of how long you want to play this game. Enter your payment details and select "Continue".
Go back to your account. You will be awarded a VIP Moshi Passport to enter the Underground Disco, along with other bonuses and rewards.
Click on "Maps" on the bottom right corner and go to Gift Island. Head to the Underground Disco and talk to the doorman. Once he lets you inside, select a difficulty level and song to begin dancing. Follow the corresponding arrows to reach high scores and to unlock more songs.