I think it's actually listed as a different games name. That game will bring you to MGS HD Collection.
*edit*
Found it. All you had to do was simplify your search as Metal Gear Solid.
http://www.vgchartz.com/game/70522/omerta-city-of-gangsters/
http://www.vgchartz.com/game/70523/omerta-city-of-gangsters/