From Wikipedia, the free encyclopedia. Jump to: navigation, search. For the range of board games, see Lego Games. Since , 65 commercial video games based on the Lego construction system have been. Lego Games: Build plastic towers and go on block adventures in one of our many free, online Lego games!. Lego City Games: Patrol dangerous streets and send bad guys to jail in one of our many free, online Lego City games! Pick A Free Game, and Have Fun!.