Question: Who is the publisher of the PC-based shooter video game who's console version is Unreal Championship?

Context paragraphs:
GoldenEye 007 (2010 video game): GoldenEye 007 is a 2010 first-person shooter video game developed by Eurocom and published by Activision for the Wii video game console, with a handheld version for Nintendo DS developed by n-Space.  It is a modern reimagining of the 1995 "James Bond" film "GoldenEye", and a remake of the 1997 Nintendo 64 video game "GoldenEye 007".  The game was officially announced by Nintendo at their E3 2010 conference presentation.  The game was released on 2 November 2010 in tandem with another "James Bond" game, "".  It took on the elements of a modern shooter while retaining a classic name.  The game received positive reviews from critics.  A remastering of the Wii game was released for the PlayStation 3 and Xbox 360 consoles in 2011, re-titled as "".

Unreal Championship: 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.

Unreal Tournament 2003: Unreal Tournament 2003 or UT2003 is a first-person shooter video game developed by Epic Games and Digital Extremes, and published by Infogrames.  It is designed mainly for multiplayer gaming.  The game is part of the "Unreal series" of games, and is a sequel to "Unreal Tournament" ("UT99").  The game set a record for the number of downloads (1.2 million) when the demo was released, which is a reflection of the popularity of the original "UT".  In addition, the game engine has been widely licensed for games such as the "Tom Clancy's Rainbow Six" series, "Splinter Cell", and "America's Army".  Its sequel/expansion, "Unreal Tournament 2004", was released on 16 March 2004.

Unreal Tournament: Unreal Tournament is a first-person shooter video game developed by Epic Games and Digital Extremes.  The second installment in the "Unreal" series, it was first published by GT Interactive in 1999 for Microsoft Windows, and later released on the PlayStation 2 by Infogrames, in 2001 and on the Dreamcast by Secret Level in 2000.  Players compete in a series of matches of various types, with the general aim of out-killing opponents.  The PC version supports multiplayer online or over a local area network.  Free expansion packs were released, some of which were bundled with a 2000 re-release: Unreal Tournament: Game of the Year Edition.

Unreal II: The Awakening: Unreal II: The Awakening is a first-person shooter video game, part of the "Unreal" series.  The game was developed by the now-defunct Legend Entertainment, published by Infogrames, and released for Microsoft Windows.  It was later ported to Microsoft's Xbox being published by Atari.  Initially designed only for a single-player campaign, the game has one expansion called E"x"panded "M"ulti"p"layer (XMP), a multiplayer expansion that contains just one game mode that is similar to Capture the flag but requires more sophisticated tactics.  The expansion was included in a special edition and later offered as a free download to those who already had the retail version of Unreal II.

Danny Phantom: Urban Jungle: Danny Phantom: Urban Jungle is a video game for the Game Boy Advance and Nintendo DS consoles.  It is based on the episode "Urban Jungle" from the television series "Danny Phantom" and is the second video game for the series (The first is "" for the Game Boy Advance).  Players play the role of Danny Phantom in his adventure to save Amity Park from various ghosts from the show.  It's console versions were all cancelled for unknown reasons.  The console version was suppose to be an Action-adventure game.

Unreal Tournament 2004: Unreal Tournament 2004 is a first-person shooter video game developed by Epic Games and Digital Extremes.  It is part of the "Unreal" series, specifically the subseries started by the original "Unreal Tournament".  It is the sequel to "Unreal Tournament 2003".

Kirby's Adventure: Kirby's Adventure is a 1993 action-platform video game developed by HAL Laboratory and published by Nintendo for the Nintendo Entertainment System video game console.  It is the only NES game in the "Kirby" series, and the second after his debut on the Game Boy in "Kirby's Dream Land".  It also features the first appearance of Meta Knight.  A remake of the game for the Game Boy Advance, titled "Kirby: Nightmare in Dream Land", was released in 2002.  "Kirby's Adventure" was re-released on the Wii via the Virtual Console in February 2007.  A "3D Classics" version was released for the Nintendo 3DS eShop in November 2011 and a Virtual Console version for the Wii U was released in April 2013.

Unreal Tournament (upcoming video game): Unreal Tournament is an upcoming first-person shooter video game developed by Epic Games.  It is the ninth installment in the "Unreal" franchise, and the first main entry in the series since "Unreal Tournament 3" (2007).  The game utilizes Epic's Unreal Engine 4 and will be released for free on Microsoft Windows, OS X, and Linux.

Unreal Tournament 3: Unreal Tournament 3 ("UT3") is a first-person shooter and online multiplayer video game developed by Epic Games and published by Midway Games in the "Unreal" series.  It was released for Microsoft Windows on November 19, 2007, for the PlayStation 3 on December 11, 2007, and for the Xbox 360 on July 3, 2008.  "Unreal Tournament 3" is the fourth game in the "Unreal Tournament" series and the eighth "Unreal" game.

Supporting paragraphs: Unreal Championship Unreal Tournament 2003
Answer: Infogrames