Directly from Wikipedia, "Shadowrun is a science fantasy tabletop role-playing game set in a near-future fictional universe in which cybernetics, magic and fantasy creatures co-exist. It combines genres of cyberpunk, urban fantasy and crime, with occasional elements of conspiracy fiction, horror and detective fiction. From its inception in 1989, Shadowrun has remained among the most popular role-playing games. It has spawned a vast franchise that includes a series of novels, a collectible card game, two miniature-based tabletop wargames, and multiple video games."
Flight of the Robins
Flight of the Robins is a module for Shadowrun 4e that lets the players take on the parts of one of Batmans many proteges in search of their missing mentor. It is written by James D'Amato and can be found here.