Super Mario Bros. is an online retro game which you can play for free here at jackpotpartycasinoonline.net It has the tags: arcade, classic, mario, and was added on Dec. New super mario bros game with all new levels and new features. Graphics are now better and gameplay is very good. Mario saves the princess again. Mario Change Character · Super Mario Bros · Mario Forever · Mario Bros World. Super Mario Bros. is a platform video game internally developed by Nintendo EAD and published by Nintendo as From Wikipedia, the free encyclopedia.