From Hello Kitty Online Wiki
The following are contests SanrioTown posts on their blog which require players to participate in SanrioTown to win a prize.
HKO Offline Event: Draw Your Dream Pet April 30, 2011
The world of Hello Kitty Online is filled with wonderful and lovable pets for you to choose from, and they come in many forms with different colors, shapes, and sizes. Each of us have our own favorite pet, but at the same time, each of us also have our very own ideal pet. What is your dream pet?
See the blog post for details. Deadlines for submissions is May 8, 2011, 12:00 AM Server Time.
The results are in! Click here to view them.
Sanriotown Easter Egg Making Contest April 15, 2011
A contestant should make a Sanrio-themed Easter egg. It should be handmade and not bought from anywhere. The contestant should then make a video of him/her making it and upload it to the Dream Studio. He or she can be accompanied or helped by others during the making of the egg.
Color Me Pet Event winners! February 15, 2011
The Color Me Pet Event is finally over! It was hard choosing from all your creative entries and we have finally come to a decision. It’s now time to announce the names of our lucky winners!
Color Me Pet Event January 20, 2011
The world of Hello Kitty Online is filled with diverse wild life, and all of them can be your faithful companions in the game! Each creature is unique, from the ever lovable Pandachi and lumbering Burr to the cuddly Boxpig and fluffy Woolly. Once you have made them your pet, they will provide you with special bonuses and accompany you wherever you go!
From January 20 until 28, 2011, show your artistic skills and love for your pets by giving colors to their pictures and sharing screenshots of your very own companion in game!
HKO Spooky Makeover October 11, 2010
We have a new event for you HKO fans – share your best costumes for Halloween in Hello Kitty Online and get a chance to win tons of SLP!