OZ is a virtual world released in 1999 by the South Korean computer game developer Oz Intermedia. Players can own and customize their own homes and even get married.OZ World
Second Life is a free online virtual world imagined and created by its Residents. From the moment you enter Second Life, you'll discover a fast-growing digital world filled with people, entertainment, experiences and opportunity.Second Life
Combining a social network and a virtual world, Kaneva brings profiles and entertainment to the 3D realm in a modern-day, online digital world full of real friends and good times. Kaneva provides a whole new way to connect with friends online.Kaneva

vSide is a free to join 3D virtual world providing vSide
MVU is a social network and 3D virtual world where millions of  people meet, chat and have fun in animated 3D scenes. You can shop and  dress up your avatar with your own personalized look, design and  decorate your own 3D space, and connect with new people from around the  world.IMVU
Set in the future, you are invited to join an open-ended social, economic and political action-adventure as a human colonist on a distant alien planet. The sandbox approach allows you to choose your own path and write a unique story with others from around the world. Planet Calypso

Neverdaunt is a dream like world of floating Islands and falling  stars where nearly anything can happen. 8Bit refers to the era of  computers with eight bit processors.

Roblox is a free Lego style Multiplayer game, where you play in user-created worlds with blocks.

FURCADIA is the magical world where the animals have learned to  speak and walk upon two legs. Create your own customizable avatar and  start exploring the friendly online game (MMOG) with rich player-driven  content. Our established online community, grown over years, has become a  second home to tens of thousands of players. We invite you to an  interactive experience unlike any other.Furcadia
Club Cooee is the new slick 3-D Chatworld Messenger for your Windows Vista and Windows XP desktop. Members have their own rooms that they can decorate according to their personal tastes also running seamless on the desktop. They can embed music, pictures and videos and turn their rooms into an individual multi-media chat environment.Club Cooee

Onverse, or the Online Universe, is a social virtual world. A  social world is a world that revolves around hanging out with friends;  it’s as simple as that.


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Massively multiplayer online social games (also known as "Social MMO", "online communities", "social networks", and "virtual worlds") focus on socialization, creation of virtual objects, and in-world virtual economy, instead of objective-based gameplay. In this list you will find the best free to play 3D and 2D Social MMO Games to donwload.

Free MMO Games