Example image of eyePlorer eyePlorer map for 'City of Heroes': Comic book Cryptic Studios Genre Massively multiplayer online role-playing game NCsoft Superhero 2004 2005 April 28 English language February 4 French language German language North America 2009 September 15 Player character City of Villains October 31 Supervillain Expansion pack Portmanteau 2008 July 16 2007 Intellectual property November 6 April 14 April 22 Steam (content delivery) Mac OS X May 11 October 30 Character class Tutorial Quest Boss (video gaming) Respecification Clan (computer gaming) Justice League X-Men Buff (computer gaming) Rhode Island United States Player versus player Archery Sonic Raid (gaming) Time travel Ancient Rome