Question: The Drowning is a 2013 first-person shooter video game developed by Scattered Entertainment and published by DeNA/Mobage, a portal and social network for games, owned by what company?

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The Drowning (video game): The Drowning is a 2013 first-person shooter video game developed by Scattered Entertainment and published by DeNA/Mobage for iOS.  Version 1.0 of the game soft launched in the Australasia region on April 11, 2013.  A more complete version of the game (Version 1.11) was released internationally on August 3.  The game is available under the freemium business model.  An Android release is scheduled for 2014.  The game's main selling points are its uniquely adapted touchscreen-specific control scheme and "console quality" graphics.  Although the graphics were generally praised by critics, the game received mixed to negative reviews, with much criticism aimed at the in-app purchase system and repetitive gameplay.

Dead Effect: Dead Effect is a 2013 first-person shooter video game developed by inDev Brain and published by BulkyPix for iOS and Android.  It was released on September 12, 2013 for iOS, and on October 15 for Android.  Initially available in the App Store and Google Play for purchase, the game switched to a freemium model in February 2014, with the inclusion of in-app purchases. On February 20, 2014, the game was greenlit for Steam.  An early access version was released for Windows and OS X on April 15, with the game going gold on December 17.  The game has received mixed to positive reviews, and has been downloaded over three million times.  A sequel was released on October 29, 2015.

Call of Duty: Ghosts: Call of Duty: Ghosts is a 2013 first-person shooter video game developed by Infinity Ward, with assistance from Raven Software, Neversoft and Certain Affinity.  Published by Activision, it is the tenth primary installment in the "Call of Duty" series and the sixth developed by Infinity Ward.  The video game was released for Microsoft Windows, PlayStation 3, Xbox 360, and Wii U on November 5, 2013, with Treyarch handling the port for the Wii U.  The game was released with the launch of next-generation consoles PlayStation 4 and Xbox One and was the second and final "Call of Duty" game for the Wii U. On June 29, 2017, the Xbox 360 version was made compatible with the Xbox One.

Superhot: Superhot is an independent first-person shooter video game developed and published by Superhot Team.  Though the game follows traditional first-person shooter gameplay mechanics, with the player attempting to take out enemy targets using guns and other weapons, time within the game only progresses when the player moves; this creates the opportunity for the player to assess their situation and respond appropriately, making the gameplay similar to strategy video games.  The game is presented in a minimalist art style, with enemies in red and weapons in black, in contrast to the otherwise white and grey environment.

Far Cry 3: Blood Dragon: Far Cry 3: Blood Dragon is a 2013 first-person shooter video game developed by Ubisoft Montreal and published by Ubisoft.  It is a stand-alone expansion to the 2012 video game "Far Cry 3" and the eighth overall installment in the "Far Cry" franchise.  The game, a parody of 1980s action films and video games, takes place on a retro-futuristic open world island with players assuming the action role of the military cyborg Sergeant Rex "Power" Colt.

Strafe (video game): Strafe (stylized as STRAFE) is a first-person shooter video game developed by Pixel Titans and published by Devolver Digital.  The game is an homage to 1990s first-person shooter video games, such as "Doom" and "Quake", advertised as to have "bleeding edge graphics and gameplay", citing the year 1996.  It was released on May 9, 2017.

List of accolades received by Titanfall: Titanfall is a 2014 multiplayer, first-person shooter video game developed by Respawn Entertainment and published by Electronic Arts exclusively for Microsoft Windows, Xbox 360, and Xbox One.  The game was highly anticipated as the debut title from developers formerly behind the successful "Call of Duty" franchise.  It was released March 11, 2014, to what video game review score aggregator Metacritic called "generally favorable" reviews.  Critics considered the game a successful evolution for the first-person shooter genre but did not agree as to whether the game delivered on its anticipation.

Arunodoyer Agnishikha: Arunodoyer Agnishikha (Bengali: অরুণোদয়ের অগ্নিশিখা) or Flame of Sunrise is a first-person shooter video game developed by Trimatrik Interactive and published by SHOM Computers Ltd. in 2004.  Based on the 1971 Bangladesh Liberation War, it is the first first-person shooter video game based on events of the war and developed in Bangladesh.

First-person shooter engine: A first-person shooter engine is a video game engine specialized for simulating 3D environments for use in a first-person shooter video game.  First-person refers to the view where the players see the world from the eyes of their characters.  Shooter refers to games which revolve primarily around wielding firearms and killing other entities in the game world, either NPCs or other players.

Mobage: Mobage (モバゲー , Mobagē , "Mobile Game") is a portal and social network for games, owned by DeNA.  The service has 30 million users, who largely play on feature phones.

Supporting paragraphs: The Drowning (video game) Mobage
Answer: DeNA