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Games for Windows – Live (trademarked as Games for Windows – LIVE) is an online gaming service used by ''Games for Windows''–branded PC titles that enabled Windows PCs to connect to Microsoft's Live service. Users, each with a unique Gamertag (the Microsoft username service for gaming that began on Xbox Live) are able to play online, keep track of their friends' status, send and receive messages, gain and keep track of Achievements and associated Gamerscore, voice chat across platforms, and much more. Some games allow for cross-platform play, such as ''Shadowrun'', putting Windows players against Xbox 360 players. The service is open to third-party developers, but they must be able to meet certain Technical Certification Requirements (TCRs), which include (but are not limited to): game ratings, total number of Gamerscore points, content, game profiles, and Live connectivity. Games for Windows – Live games must also meet standard Games for Windows (games that do not have Live support) TCRs. The same developer support infrastructure is available as with the Xbox 360. Assistance to developers is provided through the Microsoft XNA Developer Connection.〔(About Games for Windows – LIVE Publishing )〕 ==History== The first Games for Windows – Live-enabled title was ''Shadowrun'', which launched simultaneously on Windows Vista and Xbox 360 on May 29, 2007, and was also the first LIVE title to offer cross-platform play between Windows Vista and Xbox 360 on the Live service. Another game that was released is ''Halo 2'' for Windows Vista, which was launched to the public on May 31, 2007.〔 The game supports all the standard Live features (such as achievements, voice chat, messages, etc.), but does not offer cross-platform play with Xbox 360 players. Sega, Eidos, and THQ have signed on to include Games for Windows – Live in their upcoming games. Epic Games also included this service in their game engine Unreal Engine 3. ''Universe at War: Earth Assault'' from Sega and ''Lost Planet: Colonies Edition'' from Capcom include cross-platform play between Xbox 360 and Windows over Live. On July 22, 2008, Microsoft's Chris Satchell, CTO of the company's Entertainment devices division, announced that Games For Windows – Live would be free to developers. Previously, select publishers and developers used the system and had to pay for it. Also, all Games For Windows – Live features were now free for gamers, such as matchmaking and cross-platform play. Satchell added that the move was a "way to improve Windows gaming". As well as free multiplayer, Microsoft reduced the technical requirements for those developers looking to utilize Live such as removing playlist servers, and allowing studios to use the Microsoft matchmaking servers instead. The new Marketplace was made available for Games for Windows – Live on December 5, 2008. Microsoft also released the newly designed User Interface, on November 12, 2008. On January 7, 2010, it was announced at CES that the upcoming Xbox Game Room would be made available on both the Xbox Live and Games for Windows Live services.〔()〕 However, games purchased with 240 Microsoft Points will only be playable on one of the platforms; either Xbox 360 or PC. A dual-platform license will cost 400 Microsoft Points.〔(Xbox Game Room pricing, partners detailed | Joystiq )〕 As the Game Room will be available to Gold and Silver Xbox members, the service will be free to use on Games for Windows Live. Arcade games will feature achievements and online leaderboards.〔(Dreamcast In The Works For Microsoft’s Game Room | The Bitbag )〕 Microsoft revealed on May 21, 2010 that ''Fable III'' would be released on Windows as well as the Xbox 360, and would feature Games for Windows – Live. The downloadable version will be a Games on Demand exclusive.〔()〕 On August 17, 2010, Microsoft unveiled two new games at Gamescom 2010 that will use Games for Windows – LIVE, ''Age of Empires Online'' and ''Microsoft Flight''. ''Age of Empires'' will be free-to-play through LIVE.〔(Microsoft Heralds a New Age of Gaming With “Age of Empires Online”: New franchise installment joins exciting PC lineup of LIVE-enabled titles from Microsoft Game Studios )〕 On September 24, 2010, Microsoft Game Studios' general manager Dave Luehmann said in an interview the studio's renewed focus will start with three big titles—''Fable III'', ''Age of Empires Online'' and ''Microsoft Flight''—which will use Games for Windows – LIVE. Luehmann reassured PC gamers that more big titles were on the way, however the studio plans to test new ideas. On September 13, 2011, Major Nelson confirmed what Microsoft is bringing Xbox Live to Windows 8, being called Xbox Live on Windows.〔(【引用サイトリンク】title=Xbox LIVE and Windows 8 )〕 On March 26, 2012, Microsoft Studios announce the arrival of ''Age of Empires Online'' on Steam. ''Age of Empires Online'' was released on Steam on March 27, 2012. On April 3, 2012, ''Microsoft Flight'' was released on Steam.〔(【引用サイトリンク】title=Flight Arrives on Steam! )〕 Microsoft Studios release ''Insanely Twisted Shadow Planet'' on April 17, 2012 and ''Toy Soldiers'' on April 27, 2012 in Games for Windows – LIVE. On April 17, 2012, Microsoft said that they continued to support the Games for Windows platform, to the rumors of the discontinuation of Games for Windows – LIVE in favor of Xbox Live on Windows. On April 13, 2012, Microsoft Studios release ''Iron Brigade'', and is the first Microsoft Studios title available only on Steam. On August 31, 2012, ''Gotham City Impostors'' comes free-to-play and drops Games for Windows – LIVE in favor of Steamworks. On October 10, 2012, the Steam version of ''Toy Soldiers'' is fully using Steamworks, although still gives the option of use GfWL.〔(【引用サイトリンク】title=Toy Soldiers Product Update )〕 On October 16, 2012, ''Mark of the Ninja'' is the first title of Microsoft Studios in make use of Steamworks, instead of GfWL. On October 25, 2012, ''Deadlight'' is the second title of Microsoft Studios in make use of Steamworks, instead of GfWL. On November 28, 2012, ''Ace Combat: Assault Horizon'' is the first Games for Windows – LIVE title announced for 2013. On January 31, 2013, Microsoft Studios said that they "have nothing to share on the future of Games for Windows Live". On March 7, 2013, Microsoft Studios announces ''Age of Empires II: HD Edition + The Conquerors'' and that will be released exclusively on Steam. On April 3, 2013, ''Ms. Splosion Man'' is released by Microsoft Studios. On August 9, 2013, Microsoft announces the removal of one of the most criticized limitations for the LIVE platform, the inability of simultaneously login in Xbox One and Games for Windows LIVE. On August 16, 2013, Microsoft announced that the Xbox.com PC Marketplace was going to be closed on August 22 alongside the Xbox 360 update that retired Microsoft Points in favour of local currency purchases. The service would otherwise continue to operate normally. In August 2013, a since-deleted support article for ''Age of Empires Online'' announced that the Games for Windows – Live service would be discontinued on July 1, 2014. Microsoft issued a statement in June 2014 denying they were closing Games for Windows Live, stating "We remain committed to investing in PC gaming in the years ahead, and look forward to sharing more in the future". After the initial August 2013 support article, some game publishers announced that they would be removing GFWL from their games, but in most cases this has not happened yet. Microsoft closed Games for Windows LIVE on 15 August 2013: "As part of the upcoming Xbox 360 system update, Microsoft Points will be retired, and the Xbox.com PC marketplace will be closed as of August 22, 2013. We encourage you to spend your Microsoft Points balance prior to this change.". The download of the client software is still available, and the servers are still online. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Games for Windows – Live」の詳細全文を読む スポンサード リンク
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