Information:  - A casual game is a video game targeted at or used by a mass audience of casual gamers. Casual games can have any type of gameplay, and fit in any genre. They are typically distinguished by their simple rules and lack of commitment required in contrast to more complex hardcore games. They require no long-term time commitment or special skills to play, and there are comparatively low production and distribution costs for the producer.  - A video game is an electronic game that involves human or animal interaction with a user interface to generate visual feedback on a video device such as a TV screen or computer monitor. The word "video" in "video game" traditionally referred to a raster display device, but as of the 2000s, it implies any type of display device that can produce two- or three-dimensional images. Some theorists categorize video games as an art form, but this designation is controversial.  - Paul Thelen is the Founder, Chairman and Chief Executive Officer of Big Fish Games. He has an MBA from Stanford University and a Bachelor of Science in Electrical Engineering from the University of Washington. Big Fish Games is one of the top grossing mobile game developers in the world and operates the largest portal for downloadable casual games, distributing in excess of 1.5 million games per day. Big Fish Casino, one of Big Fish Games' best known mobile titles, has been a top 10 grossing game for the past 4 years.  - Mystic Inn is a casual game developed by the team formerly known as Funpause, now part of Big Fish Studios, and distributed by Big Fish Games.  - Myst is a graphic adventure puzzle video game designed and directed by the brothers Robyn and Rand Miller. It was developed by Cyan, Inc., published by Brøderbund, and initially released on the Macintosh platform on September 24, 1993. Remakes and ports of the game have been released for platforms including Sega Saturn, PlayStation, 3DO, Microsoft Windows, Atari Jaguar CD, CD-i, AmigaOS, PlayStation Portable, Nintendo DS, iOS, OS X, and Android.  - A gamer is someone who plays interactive games, usually video games, although games can also come in other forms, such as tabletop or physical games (in some countries, such as the United Kingdom, the term "gaming" can also refer to legalized gambling, which can take both traditionali.e. tabletopand digital formsakin to video games).  - Atlantis Sky Patrol is a casual game developed by the team formerly known as Funpause, now part of Big Fish Studios, and distributed by Big Fish Games. The game is a sequel to 2005's "Atlantis".  - Azada is an adventure - puzzle casual game developed by Big Fish Studios Europe , and distributed by Big Fish Games . The studio previously developed Mystic Inn and Atlantis Sky Patrol .  - A game is structured form of play, usually undertaken for enjoyment and sometimes used as an educational tool. Games are distinct from work, which is usually carried out for remuneration, and from art, which is more often an expression of aesthetic or ideological elements. However, the distinction is not clear-cut, and many games are also considered to be work (such as professional players of spectator sports or games) or art (such as jigsaw puzzles or games involving an artistic layout such as Mahjong, solitaire, or some video games).  - Big Fish Games is a casual gaming company based in Seattle, Washington, United States. It serves as both a developer and distributor of casual games, primarily on computers and mobile devices. It was founded in 2002 by Paul Thelen, and currently employs more than 500 people.    Given the information above, choose from the list below the object entity that exhibits the relation 'genre' with the subject 'azada '.  Choices: - animal  - casual game  - gambling  - game  - mahjong  - puzzle video game  - science  - solitaire  - video
The answer to this question is:
puzzle video game