Ubisoft tried to expand the world of Assassin's Creed by releasing a little game on Facebook. This is done from the French video game giant that in order to eliminate the 'wall' between playing on the console and on the popular social networking.
That game was none other than, Legacy Project. You could say this is a series of mini games that can be used Assasins Creed gamers to collect achievement on Facebook. But later, the acquisition is in the can could also be used on any console or PC version.