Question: Which game was releaed sooner, Downfall or Camelot?

Context paragraphs:
Kingdoms of Camelot: Kingdoms of Camelot is a massively multiplayer online real-time strategy browser game created by Kabam when it was named Watercooler Inc..  It went into beta on November 2, 2009 and was released on November 6, 2009.  On December 9, 2014, Kabam announced it was selling most of its web games, including "Kingdoms of Camelot", to RockYou.  The transferred formally happened at the beginning of April 2015.

Quest for Camelot (video game): Quest for Camelot is an action-adventure video game developed and published by Titus Software for the Game Boy Color in 1998.  It is based on the animated Warner Bros. movie of the same name.  The game is compatible with the Super Game Boy, Game Boy Printer and as well as play on the original Game Boy.  A Nintendo 64 version of the game was planned but was scrapped due to the film's performance at the box office.

Mario Tennis Open: Mario Tennis Open (マリオテニス オープン , Mario Tenisu Ōpun ) is a "Mario" sports game developed by Camelot Software Planning and published by Nintendo for the Nintendo 3DS.  The game was developed by Camelot, which has produced most of the previous "Mario Tennis" titles.  The game was first released on May 20, 2012 in North America and in other regions the same month.  It was later released as a downloadable title on the Nintendo eShop in late 2012.

Camelot Unchained: Camelot Unchained is an upcoming fantasy massively multiplayer online role-playing game from City State Entertainment which was partially funded through Kickstarter.  Involved in its production is Mark Jacobs the former designer of "Dark Age of Camelot".  Its crowd funding campaign raised US$ through Kickstarter, with Jacobs promising to contribute an additional US$ from his own assets, as well as an additional US$ from investors pending completion of a successful Kickstarter campaign which occurred on May 2, 2013.

Camelot Software Planning: Camelot Co. Ltd. (株式会社キャメロット , Kabushiki-gaisha Kyamerotto ) (doing business as Camelot Software Planning) is a Japanese video game developer established in 1990 under the name Sega CD4, but quickly renamed to Sonic!  Software Planning.  As Sonic! , they were closely involved with Sega and responsible for initial development of the "Shining" series.  In 1995, there was a brief period where they worked for Sony Computer Entertainment in addition to creating "Shining" products.

The Road to Camlann: The Road to Camlann: The Death of King Arthur is the third book in Rosemary Sutcliff's Arthurian trilogy, after "The Sword and the Circle" and "The Light Beyond the Forest".  This book portrays the events that lead to the Battle of Camlann and the downfall of Camelot, including Guinevere and Lancelot's secret affair, and the betrayal of Arthur's illegitimate son Mordred.

Shadows Over Camelot: Shadows Over Camelot is an Arthurian-themed board game designed by Serge Laget and Bruno Cathala, illustrated by Julien Delval and Cyrille Daujean.  The game was unveiled by the publishers Days of Wonder at the 2005 American International Toy Fair and was more widely released in May and June 2005.  The game was also published in French as "Les Chevaliers de la Table Ronde" and in German as "Schatten über Camelot".  In 2008, an expansion for Shadows over Camelot was released titled "Merlin's Company".

Downfall (game): Downfall is a two-player game for players aged 7 and older, first marketed by the Milton Bradley Company in 1970.

Camelot (board game): Camelot is a strategy board game for two players.  It was invented by George S. Parker late in the 19th century, and was one of the first games published by Parker Brothers, originally under the name Chivalry.

Mario Tennis: Mario Tennis, known in Japan as Mario Tennis 64 (マリオテニス64 , Mario Tenisu Rokujūyon ) , is a 2000 sports video game developed by Camelot Software Planning and published by Nintendo for the Nintendo 64 video game console.  The game was released in North America and Japan in the summer of 2000, and released in Europe later in November.  It is the first tennis-based game starring Mario since "Mario's Tennis", and the second game developed by Camelot on a Nintendo system.  The game is known for being the introduction of Luigi's evil doppleganger, Waluigi, and the re-introduction of Princess Daisy and Birdo.

Supporting paragraphs: Downfall (game) Camelot (board game)
Answer: Camelot