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?

full_context: Document 1: Controversies surrounding Grand Theft Auto IV: "Grand Theft Auto IV" is an open world, action-adventure video game developed by Rockstar North and published by Rockstar Games. Upon its release on 29 April 2008 for the PlayStation 3 and Xbox 360, "Grand Theft Auto IV" generated controversy. The game's depiction of violence received mass commentary from journalists and government officials, occasionally being referred to as a "murder simulator". The ability to drive under the influence of alcohol in the game also received criticism, resulting in a request for the ESRB to change the game's rating. Similarly, some gameplay features were censored for the Australian and New Zealand versions of the game, though these censors were subsequently removed. Several crimes that were committed following the game's release, such as murder and sexual violence, were attributed to the perpetrators' experience with the game, generating further controversy. Former attorney Jack Thompson, known for his campaigns against the series, heavily criticised "Grand Theft Auto IV" prior to its release, filing lawsuits against parent company Take-Two Interactive, and threatening to ban distribution of the game if some gameplay features were not removed. The game also generated further controversy and lawsuits from city officials and organisations.
Document 2: Dementium II: Dementium II is a first person, survival horror video game developed for the Nintendo DS. It is the sequel to 2007's "", also for the Nintendo DS. The game was developed by Renegade Kid and published by SouthPeak Games. It was released in 2010 and features many improvements over its predecessor "", including different weapons, a larger variety of enemies, the ability to jump and crouch, save points, more environments, an improved map system and the removal of respawning enemies. Weapons include shank, revolver, sledge hammer, shotgun, assault rifle, dynamite, flame thrower, nail gun, and relic. Items include flashlight, ammo for any of the weapons, adrenaline shots, pills, and medkits. A remastered version of the game was released for Microsoft Windows and Mac OS X on December 17, 2013.
Document 3: List of Sega mobile games: The following is a list of mobile games developed and published by Sega. Sega started a cell-phone service featuring "Sonic the Hedgehog" characters in Japan in 2000, called "Sonic Cafe", and established a mobile division, Sega Mobile, in 2003. In 2012, Sega established an official firm for smartphone and tablet development, called Sega Networks.
Document 4: 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.
Document 5: Capsized (video game): Capsized is a science fiction-themed platform game with run and gun mechanics. It was developed by Alientrap. "Capsized" was released for Microsoft Windows on April 29, 2011 on Steam. The iOS version, called "Capsized+", was available February 13, 2013, and published by IndiePub. The soundtrack is provided by Solar Fields; the ambient electronic music is from his 2009 album "Movements".
Document 6: NQ Mobile: NQ Mobile is a multinational technology company that develops, licenses, supports and sells software and services, primarily for mobile phones. NQ Mobile's portfolio of offerings includes mobile security, mobile search, mobile games and advertising for the consumer market and consulting, mobile platforms and mobility management services for the enterprise market. As of September 30, 2015, NQ Mobile had 198.8 million monthly active user accounts in Showself, NQ Live and Music Radar, among others and over 1,250 enterprise customers. NQ Mobile maintains dual headquarters in Dallas, Texas, United States and Beijing, China.
Document 7: Until Dawn: Until Dawn is an interactive drama survival horror adventure video game developed by Supermassive Games and published by Sony Computer Entertainment for PlayStation 4. It was originally scheduled to be released for PlayStation 3 and feature PlayStation Move support, but in August 2014 the game was re-introduced as a PlayStation 4 exclusive title, and was released worldwide in August 2015.
Document 8: GroupMe: GroupMe is a mobile group messaging app owned by Microsoft. It was launched in May 2010 by the private company GroupMe. In August 2011, GroupMe delivered over 100 million messages each month and by June 2012, that number jumped to 550 million. In 2013, GroupMe had over 12 million registered users.
Document 9: Social network game: A social network game is a type of online game that is played through social networks. They typically feature multiplayer gameplay mechanics. Social network games were originally implemented as browser games. As mobile gaming took off, the games moved to mobile as well. While they share many aspects of traditional video games, social network games often employ additional ones that make them distinct. Traditionally they are oriented to be casual games.
Document 10: 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.
Document 11: 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.
Document 12: MOBTV: MOBTV (MediaCorp Online Broadband Television) was Singapore's first subscription-based video on demand service that provides viewers with access to various TV programmes via immediate digital streaming or download from an Internet connection. From 30 March 2010, MOBTV merged with xinmsn.com as a free video on demand service, together with Podcast.sg and xin.sg. In other words, MOBTV has ceased to exist. However, MOBTV Select is still available on mio TV on Channel 312 till 12 September 2012 and was shifted to Channel 509 as of 13 September 2012 and MobTV Select on Singtel mio TV service using Channel 509 will ceased transmission from 7 January 2014 at 2359hrs. MobTV Select was removed from mio TV Service with effect from 8 October at 3:00 PM.MobTV and MobTV Select names do not exist any more.
Document 13: Mobile Internet growth: Mobile Internet growth is the growth of the Internet when accessed via a mobile phone, laptop, etc. At one time, half the world had mobile phones. The articles in 2007-2008 were slightly misleading because the real story at the time was that the number of mobile phone subscriptions had reached half the population of the world. In reality many people have more than one subscription. For example, in Hong Kong, Italy and Ukraine, the mobile phone penetration rate has passed 140% (source wireless intelligence 2009). By 2009 even the number of unique users of mobile phones had reached half the planet, when the ITU reported that the subscriber number was to reach 4.6 billion user which means 3.8 billion activated mobile phones in use, and 3.4 billion unique users of mobile phones. The Mobile Internet data connections are following the growth of mobile phone connections albeit at a lower rate. In 2009 Yankee Group reported that 29% of all mobile phone users globally were accessing browser-based internet content on their phones. According to the BBC, there are now (2010) over 5 billion mobile phone users in the world.
Document 14: Visage Mobile: Visage Mobile is a software-as-a-service (SaaS) company that provides mobility management solutions for enterprises. Their product, MobilityCentral, is intended to simplify enterprise mobility management, as a web-based application.
Document 15: Game Dev Story: Game Dev Story is a simulation video game developed and published by Kairosoft for Microsoft Windows, iOS, and Android. It was released for Windows in April of 1997 , for iOS and Android on October 9, 2010, and for Windows Phone on July 6, 2015. The game follows a player-controlled video game company and its attempts to expand into a sales powerhouse over time. As a simulation, the game and the direction of the company is controlled by the player, following a parallel timeline of the video game industry and its history. The game was released to positive reviews, with many reviewers focusing on "Game Dev Story"' s addictive aspects and its witty references to video game pop culture.
ground_truth: DeNA