Onverse - Onverse is game that includes a huge three dimensional world for you to explore.
Neopets - Neopets is an Amazing, Virtual World, Massively Multiplayer Online, Role-playing and Fantasy-based video game developed and published by Viacom.
Suburbia - Suburbia is a Facebook video game heavily inspired by The Sims.
Toontown Rewritten - Toontown Rewritten is a Free to Play, Browser-based, MMORPG, and Virtual-World video game developed and published by Disney.
Habbo - Hobbo is also known as ‘Hobbo Hotel’.
Webkinz - Webkinz is an Animal-based, Virtual Children’s World, Fantasy and Browser-based Simulation developed by Ganz.