Huntsville is the name of several places:
Mystery Case Files: Huntsville is an adventure-puzzle casual game developed by Big Fish Studios, and distributed by Big Fish Games. It is the first installment in the Mystery Case Files series. The game is available exclusively at Big Fish Games website. The Mystery Case Files franchise has sold more than 2.5 million units to date.
After many Crime events have passed down to the small town of Huntsville in Texas, you, the Detective, assume a role of a future 'Master Detective' in order to solve a series of crimes and discover the Big Boss behind the Special Organization "S.T.A.I.N.". Every Level, the Player must find all the clues in the list and discover the S.T.A.I.N. villains behind the crimes. Once you've captured Harold Funkmeyer, S.T.A.I.N.'s second-in-command, you will be ranked as a 'Master Detective', find Gertrude Goodlittle, the Huntsville librarian and S.T.A.I.N.'s Big Boss, and continue your investigating career at the next game, Mystery Case Files: Prime Suspects.
Huntsville is a city located primarily in Madison County in the central part of the far northern region of the U.S. State of Alabama. Huntsville is the county seat of Madison County. The city extends west into neighboring Limestone County. Huntsville's population was 180,105 as of the 2010 census. The Huntsville Metropolitan Area's population was 417,593. Huntsville is the fourth-largest city in Alabama and the largest city in the five-county Huntsville-Decatur Combined Statistical Area, which at the 2013 census estimate had a total population of 683,871. In 2013, the Huntsville metropolitan area became the 2nd largest in Alabama with a population of 435,737.
It grew across nearby hills north of the Tennessee River, adding textile mills, then munitions factories, NASA's Marshall Space Flight Center and the United States Army Aviation and Missile Command nearby at the Redstone Arsenal. The National Trust for Historic Preservation named Huntsville to its "America's Dozen Distinctive Destinations for 2010" list.