Question: What 1993 science fiction horror-themed first person shooter video game surpassed Corridor 7: Alien Invasion?
Context: Capstone Software was a subsidiary of IntraCorp, a Miami-based computer and video game company.  Founded in 1984, Capstone created first-person games such as "Corridor 7: Alien Invasion", "William Shatner's TekWar" and "Witchaven", and is also known for releasing games based on movie/TV licenses.  Capstone's first-person games used the "Wolfenstein 3D" engine, and later, the Build engine (best known for powering 3D Realms' "Duke Nukem 3D"). Armada is a science fiction novel by Ernest Cline, published on July 14, 2015 by Crown Publishing Group (a division of Random House).  The story follows a teenager who plays an online video game about defending against an alien invasion, only to find out that the game is a simulator to prepare him and people around the world for defending an actual alien invasion. Shinji Mikami (Japanese: 三上 真司 , Hepburn: Mikami Shinji , born August 11, 1965) is a Japanese video game director and producer.  Starting his career at Capcom in 1990, he went on to direct many of the company's biggest titles.  He directed the first installment of the survival horror series "Resident Evil" in 1996 and the first installment of "Dino Crisis" in 1999.  He returned to Resident Evil to direct the remake of the first game in 2002.  He returned to direct third person shooter "Resident Evil 4" in 2005.  The last game he directed at Capcom was 2006's God Hand, a third person brawler.  He then worked with PlatinumGames to direct the third person shooter "Vanquish" in 2010.  After that he started his own studio called Tango Gameworks.  Under that company he directed the third person horror game "The Evil Within".  The company has since been acquired by the American company ZeniMax Media. Corridor 7: Alien Invasion is a first-person shooter video game developed by Capstone Software and published by Intracorp and GameTek.  It was widely ignored for its outdated "Wolfenstein 3D" engine, which was technologically surpassed by "Doom" at the time.  A sequel, "Corridor 8: Galactic Wars", was in development, but later cancelled. "First Person Shooter" is the thirteenth episode of the seventh season of the science fiction television series "The X-Files".  It premiered on the Fox network in the United States on February 27, 2000.  The episode is a "Monster-of-the-Week" story, unconnected to the series' wider mythology.  "First Person Shooter" earned a Nielsen household rating of 9.3, being watched by 15.31 million people in its initial broadcast.  The episode received mostly negative reviews from critics. Codename: Outbreak (known as Venom.  Codename: Outbreak in Russia) is a first-person shooter video game developed by Ukrainian GSC Game World and published by Virgin Interactive.  It is set during the early 21st century.  Prior to the start of the game, a meteor shower arrives containing a parasitic alien life form that takes control of their hosts.  The invasion is fast spreading.  The game involves fighting off this alien invasion over 14 different levels. Karma: Operation Barbarossa (Korean: 카르마2, and also known as Karma 2) is a free online First Person Shooter game developed by Dragonfly, Futureport, and Blueside, and it is distributed by Dragonfly.  It is the sequel to Karma Online, which was the first online First Person Shooter game in South Korea.  Karma: Operation Barbarossa was planned to be published in North America by free-to-play publisher ijji, but has recently been officially canceled.  However, on March 2011, Joymax picked up the rights to publish the game globally under the name, Karma Online: Prisoners Of The Dead. Soldier of Fortune: Payback is a first-person shooter video game and the third installment of the "Soldier of Fortune" game series.  Unlike the previous two "Soldier of Fortune" games, which were developed by Raven Software utilizing the id Tech 2 and id Tech 3, "Payback" was developed by Cauldron HQ, developed with Cauldron's in-house CloakNT engine, used in their previous first person shooter game, "Chaser".  It is the first game of the series released for the Xbox 360 and PlayStation 3.  The game was released on 14 November 2007. Saints of Virtue is a 3D medieval first person shooter video game developed by Shine Studios and published by Cactus Game Design.  Released in 1999, it was one of the first Christian first person shooter games, and led to the release of other medieval/ancient FPS games of the same style. Doom (typeset as DOOM in official documents) is a 1993 science fiction horror-themed first-person shooter (FPS) video game by id Software.  It is considered one of the most significant and influential titles in video game history, for having helped to pioneer the now-ubiquitous first-person shooter.  The original game was divided into three nine-level episodes and was distributed via shareware and mail order.  The Ultimate Doom, an updated release of the original game featuring a fourth episode, was released in 1995 and sold at retail.
Answer: Doom