In this game you play as Hello Kitty riding on her rollerblades, you'll battle against the invasion of Blocky Planet and save your captured friends from the invading Blocky Aliens. The game also contains a lot of unlockable bonuses, and allows you to play as other popular Sarino characters, such as Keroppi and My Melody. The game is known as Hello Kitty: Rescue Mission in Japan.
- More than 20 popular Sanrio characters including Badtz-Maru, Mimmy and Keroppi.
- Kitty can select a partner to help her fight enemies in various stages.
- New options can be purchased with special coins.
- Sanriotown is a completely 3-D world, with brilliant colors and an interactive environment.
- Well-captured personalities of Sanrio characters and villains.
- Time based-seasons greetings from Sanrio characters will be sent to players.
- Five game levels varying in difficulty and ways to completion.