Hello Kitty Online http://www.hellokittyonline.com is the first and only official massively multiplayer online game (MMORPG) of Hello Kitty, Badtz-Maru, My Melody, Dear Daniel, Keroppi and the others! You adventure with thousands of other players and computer-controlled characters in a virtual world full of cuteness and kawaii. HKO provides a brand new experience in gaming with built-in social media like video sharing and blogs. HKO is free to play! (less info)