Tamer Saga

Tamer Saga - a browser-based RPG where you can learn spells, tame pets or beasts forge weapons and eventually engage in the battles with monsters or real players.  Choose from one of four classes, including Warrior, Mage, Priest, and Ranger.

FashionFantasyGame

FashionFantasygame -  is an online game and social network for people passionate about fashion, friends and fun. Be a Fashion Designer or a Store Owner! A very fun virtual world for creative people. 

SuperSecret

SuperSecret - a fun, secret world full of adventures and surprises for 9- 13 year old teens. Choose a character and do all your favorite stuff: chat with friends, play games all day, explore secret places, get clues, and shop for tasty treats and excellent clothes.

The more you play, the older your character gets, until you're a teenager with a pet, an apartment, and access to really cool hangouts. That means lots of SuperSecret birthdays- far more than just the usual one a year.

Source: www.games.bbgsite.com/content/2009-10-01/20091001230052614.shtml

Ever wanted to create a virtual world?

Now you can with OpenSim. Check this out: CLICK 

Features:

• Supports online, multi-user 3D environments as small as 1 simulator or as large as thousands of simulators.
• Supports 3D virtual spaces of variable size within one single instance.
• Supports multiple clients and protocols - access the same world at the same time via multiple protocols.
• Supports realtime Physics Simulation, with multiple engine options including ODE.
• Supports clients that create 3D content in real time.
• Supports inworld scripting using a number of different languages, including LSL/OSSL, C# and VB.NET
• Provides unlimited ability to customize virtual world applications through the use of scene plugin modules.

Minecraft

Minecraft is a construction-based online virtual world for all ages. Walk through the virtual space and survive dangerous monster attacks and environmental hazards. Do this by gathering blocks and building block-based creations. The players can also pick up food, tools and weapons to accomplish other tasks in the world. Or just enjoy building. VERY POPULAR.

NineRift

NineRift - a 3D fantasy themed real time strategy RPG. Enter a virtual world inhabited by demonic monsters. Equipped with military units players must stop these creatures from taking over the land. Control and strategize attacks. Tackle challenging quests with friends or face off against other players in the PvP Battlegrounds. Save a troubled planet and become a hero.

Source:  http://mmohuts.com/browser-games/ninerift 

BoomBang

BoomBang - another virtual chat world. Decorate your island, dress up your avatar and chat! This one is very cute! For people who are 8- 15 year old :).

Freggers

Freggers - a free to play online world and 3d chat game where you can meet old friends and find new ones. You can chat, shop for funky clothes for your character, pimp yourself up, furnish your own home and play many online games.

GoosyWorld

GoosyWorld - is a virtual community for chatting with friends in chat rooms.  Users earn GO-coins by doing activities and can spend them on Goosy Stuff for their avatar and decorating their house. The world is also accessible through mobile devices.

Gojiyo

Gojiyo is another awesome virtual world!!! It is amazing, you can do whatever you want- even fly, sit on a could (yes, you can), skydive and snowboard! As it is huge virtual world and you don't need to download it. If you love IMVU or SecondLife you will loke this one. It is very unique one. Check it out yourself:

HiDolls

HiDolls is a free virtual world just for girls where you can create your own Doll and build an exciting new life for her! Make tons of new friends and keep in touch through their profile pages!

It is such a nice virtual world, it is a MUST-CHECK-IT-OUT website for girls! Especially if you like TyGirlz.com! HiDolls is very similar game, even better! 

Create, dress- up and make- up your doll

Take care of her! 

Create a studio/ room

Find love!

Adopt a cute pet

Chat

Tons of fun gamet

Music videos and forum!

Roll n' Rock!

Roll n’ Rock is a cute casual browser-based sports MMO game with no need to download.


Featuring easy and simple controls as well as varied and diversified gaming elements, Roll n’ Rock will offer players a unique and thrilling gaming experience. Fight beside or against other players, it’s your call!


Roll n’ Rock is greatly favored by female players due to its cartoon style graphics, cute sceneries and extremely personalized clothes. And it is also well received by male players due to its sports gameplay, stunning special effects and tense and exciting combat.


Fresh and cute graphics: Fresh, lively graphics and cute, adorable characters will make you lose your heart to Roll n’ Rock at first sight.


Tense and exciting combat: Tense, constantly-changing combat, a host of items, and a wide choice of combat modes, all combined to offer players unique and diversified sports fun.


Varied and diversified clothes: With a wealth of clothes and accessories to choose from, you’ll look unique and appealing!


Beautiful and melodious music: The melodious and classic soundtrack produced by a well-known music studio will captivate you and piece your soul.


Stunning and gorgeous special effects: The special effects in Roll n’ Rock are stunning and can be found everywhere. The dynamic elements integrated in the interface will serve up a visual feast for the players.


Unique and personalized equipment: The perfectly designed refining and enchanting system will allow you to create unique equipment according to your preference.

Canaan Online

Canaan Online:

- a browser-based, full Flash MMORPG set in a Manga-Fantasy universe.

-Create your character choosing among 5 unique classes (Warrior, Ranger, Mage, Priest and the NEW Druid)

-Find and collect cute yet powerful pets that will help you in your fantastic adventures!

-It is free to play, forever, and no download is required: all you need is to create a free gPotato account!

Oloko

Oloko - virtual world designed for kids, big and small. Players of the online game Oloko can also head to the in-game Fast Food Restaurant to practice making delicious Smelly Burgers, or learn new and exciting recipes! Discover the mystery behind the game storyline, whilst at the same time discovering, learning, playing and simply having fun! The interactive free-to-play children’s game runs simply through any browser, without any downloads or installations, making it highly accessible. It has multiple languages!

PANFU- kids virtual world

Panfu is a friendly, virtual world in which children can play, have fun and make friends. Every child chooses a panda, gives it an identity and discovers Panfu, the world of pandas. This game is for kids under 13, really cute! And it is similar to ClubPenguin. ^-^

Wizard101

Wizard101 is a massively multiplayer online game where children take on the role of wizards while playing this game over the internet. If you love Harry Potter you will love this game too!

Chit Chat City

Chit Chat City - an online virtual world in which kids and teens gets to draw their own avatars, clothes and accessories using brushes on a 3D canvas. You will also get to meet, socialize and mingle with players from around the world, change the virtual game world by building and furnishing your own house, block by block, the way you want it and where you want it in the city. The greatest thing about it is it's free and requires no installation! Start playing now by clicking on the "play" button on the top menu.

Virtual worlds to try out!

Toonix

Onverse

Puzzle pirates

Frenzoo.com

The video says it all.

5 Street gameplay video!

You can get the game here!
Register HEREE (please, register with that link, it wuold really help me, thanks all who done it!)