Question: Games for Windows – Live or GFWL (trademarked as Games for Windows – LIVE) was an online gaming service used by "Games for Windows"–branded PC titles that enables Windows PCs to connect to Microsoft's Live service, some games allow for cross-platform play, such as which first-person shooter video game, developed by FASA Studio for Xbox 360 and Windows Vista?
Context: Microsoft Mahjong (formerly Mahjong Titans and Taipei) is a computer game version of mahjong solitaire published by Microsoft.  The version titled "Mahjong Titans" was developed by Oberon Games and included in Windows Vista and Windows 7 (except Starter and Home Basic editions).  It takes advantage of the new graphical user interface (GUI) of Windows Vista, and includes features such as tile set and background choices.  (In Windows Vista builds 5219, 5231 and 5259, the game was known as "Shanghai Solitaire".)  The game did not make it to Windows 8; however, a standalone version, developed by Arkadium and published by Microsoft Studios, can be downloaded from the Windows Store free of charge. Breach is a team-based first-person shooter multiplayer video game developed by Atomic Games.  It was announced on March 26, 2010 at PAX East 2010 for Windows PCs and the Xbox 360.  Breach was distributed online for the Xbox 360 by Xbox Live Arcade, and on Windows by Steam.  It features dynamic destructible environments and a cover system. Command & Conquer: Red Alert 3 is a 2008 real-time strategy video game developed by EA Los Angeles and published by Electronic Arts.  It was released on October 28, 2008 in the United States for Microsoft Windows PCs and October 30, 2008 in Europe.  An Xbox 360 version was released on November 11.  On January 21, 2009 EA announced "Command & Conquer: Red Alert 3 – Ultimate Edition", the PlayStation 3 version which contains bonus material extra to that of the Xbox 360 and PC versions and released on March 23, 2009 along with the OS X version by TransGaming.  The game is a continuation of the "" games within the "Command & Conquer" series. "" , a stand-alone expansion pack, was released for Microsoft Windows in March 2009.  It was offered via digital distribution. Game Room was a social gaming service for the Xbox 360 video game system, Microsoft Windows PCs, and Windows Phone 7.  Launched on March 24, 2010, Game Room let players download classic video games and compete against each other for high scores.  Players on both Xbox 360 and Windows PCs could access Game Room through their respective versions of Microsoft's Live online services (Xbox Live and Games for Windows – Live). Unreal Championship is a first-person shooter video game developed by Epic Games and Digital Extremes, published by Infogrames, and released exclusively for the Xbox.  "Unreal Championship" is essentially a console version game of the PC-based "Unreal Tournament 2003", developed specifically to take advantage of Xbox Live, Microsoft's online gaming service.  In 2003 "Unreal Championship" was added to Microsoft's "Platinum Hits" line of Xbox games.  It was followed in 2005 by "" also for Xbox. Halo: Combat Evolved is a 2001 military science fiction first-person shooter video game developed by Bungie and published by Microsoft Game Studios.  The first game of the "Halo" franchise, it was released as a launch title for the Xbox gaming system on November 15, 2001, and is considered the platform's "killer app".  More than five million copies were sold worldwide by November 2005.  Microsoft released versions of the game for Microsoft Windows and Mac OS X in 2003, and the surrounding storyline was adapted and elaborated into a series of novels, comic books, and live-action web series.  The game was later released as a downloadable Xbox Original for the Xbox 360.  A high-definition remake, "", was released for Xbox 360 on the 10th anniversary of the original game's launch, and was rereleased as part of "" on November 11, 2014, for the Xbox One. The Xbox 360 controller is the primary controller for the Microsoft Xbox 360 video game console and was introduced at E3 2005.  The Xbox 360 controller comes in both wired and wireless versions.  Original Xbox controllers are not compatible with the Xbox 360.  The wired and wireless versions are also compatible with Microsoft PC operating systems, such as Windows XP, Windows Vista, Windows 7, Windows 8, and Windows 10. Games for Windows – Live or GFWL (trademarked as Games for Windows – LIVE) was an online gaming service used by "Games for Windows"–branded PC titles that enables 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 (removed in 2010), and much more.  Some games allow for cross-platform play, such as "Shadowrun", putting Windows players against Xbox 360 players. Shadowrun is a first-person shooter video game, developed by FASA Studio for Xbox 360 and Windows Vista.  It was later cracked to work on Windows XP, confirming speculation that it was intentionally limited to Windows Vista. Call of Juarez is a 2006 first-person shooter Western video game developed by Techland.  It was published for Microsoft Windows by Focus Home Interactive in Europe in September 2006, and by Ubisoft in North America in June 2007.  It was ported to the Xbox 360 in 2007, published worldwide by Ubisoft.  It was released on Xbox Live in March 2011.  The North American PC release version of the game was one of the first PC games optimized for Windows Vista and DirectX 10.  "Call of Juarez" is the first game in the "Call of Juarez" series.
Answer: Shadowrun