High Quality Content by WIKIPEDIA articles! Roblox (stylized as ROBLOX) is a massively multiplayer online game designed for children aged five to ten. In the game, users play in a virtual world that they can also build and change using blocks of various shapes, sizes, and materials. The game can be extended using a programming language to dynamically affect items in the game. Players can communicate with one another through the game`s chat system. As of June 2011, Roblox has 5.7 million unique players each month. The site`s main source of revenue is from players purchasing virtual currency in the game called Robux. Robux are then used to purchase in-game items, and other in-game items can be sold for Robux as well. The game has received many awards for being kid friendly, educational and fun.Roblox was also featured in TIME`s Top 100 Websites of 2012.