Net Nanny Europe Ltd, Registered SC 357122, A registered Content Watch Distributor Managing Online Games Net Nanny can block access to games with certain ratings or that contain elements which parents may wish to filter.  Parents can also choose to block games that contain certain types of content, such as Violence or Drugs Related. Net Nanny is the first parental control software to set age-based video gaming restrictions using the ESRB rating system. The Entertainment Software Rating Board (ESRB) ratings are designed to provide concise and impartial information about the content in computer and video games so parents can make an informed decision.   Making the Internet a Safer Place