'''''Roblox''''' is a free [[massively multiplayer online game]] (MMOG) virtual playground and workshop designed for children aged 6 and over. The game is made up of building bricks of various shapes and sizes. Unlike many games, ''Roblox'' has no pre-defined goals.<ref>{{citewebcite web|url=http://www.listio.com/web20/app/Roblox/ |title=Listio Reviews of Roblox |publisher=Listio |accessdate=5 August 2009}}</ref> Players are allowed to build anything such as houses, churches, cities, swimming pools, and more. ''Roblox'' users can [[program]] the places they create with a simplified version of [[Lua (programming language)|Lua 5.1]].<ref>{{citeweb|url=http://kidslike.info/roblox_using_roblox_as_an_educational_programming_language|title=Roblox as an educational program language}}</ref><ref>{{citeweb|url=http://www.examiner.com/x-608-Early-Childhood-Parenting-Examiner~y2008m8d19-Roblox-A-Parents-Guide|title=Parents guide to Roblox}}</ref> Roblox has become part of the privacy program [[TRUSTe]].<ref>{{citeweb|url=http://www.truste.com/trusted_sites/index.html#R|title=Roblox at TRUSTe}}</ref>
