From Hello Kitty Online Wiki
Join Hello Kitty® Online!
It’s a new massively multiplayer online game set in the magical world of Hello Kitty. And you can play for FREE. Personalize your character and travel to exciting places like London, Tokyo, and Paris while interacting with your favorite characters including Hello Kitty, Badtz-Maru, Keroppi, and Cinnamoroll.
Make it the way you want it.
Hello Kitty Online is uniquely customizable, so you can make it the way you want it. Cultivate your farm, train your pet, explore monster-filled danger zones, master your cooking and tailoring skills, play mini-games or go shopping!
Accept and complete quests for rewards.
Embark on quests to earn rewards and improve your skills so you can access new challenges and adventures. You can even cooperate with friends on bigger projects like building your dream house, and then decorate it how you like with furniture that you made.
Connect with friends.
What makes Hello Kitty Online so special is it allows you to form clubs and share your blogs and videos with friends both in-game and out-of-game, so you’re always connected and up-to-date. Your friends are here in Hello Kitty Online.
Taken from: HKO Website