Question: What company developed a new simulation strategy video game depicting theme park management similar to "RollerCoster Tycoon" in 2006?

Context paragraphs:
Theme Park Inc: Theme Park Inc. (also known as SimCoaster in the United States and Theme Park Manager in Australia) is a construction and management simulation video game.  It is the last game of the Theme Park series that started with "Theme Park" in 1994 and continued with "Theme Park World" in 1999.  "Theme Park Inc." was developed by Bullfrog Productions and published by Electronic Arts.  It was the last game to bear the Bullfrog logo before the company's merger with EA UK in 2004.

Parkitect: Parkitect is an upcoming construction and management simulation video game developed by Texel Raptor.  The game simulates amusement park management, similar to the "RollerCoaster Tycoon" series.  The project began seeking funding on Kickstarter in 2014, and was released on Steam's early access program on May 2016.

RollerCoaster Tycoon 2: RollerCoaster Tycoon 2 is a construction and management simulation computer game that simulates amusement park management.  Developed by Chris Sawyer Productions and published by Infogrames, the game was released in October 2002 as the sequel to "RollerCoaster Tycoon" and the second game in the "RollerCoaster Tycoon" series.  The features and expansions were later ported to the 2017 mobile game, "RollerCoaster Tycoon Classic".

RollerCoaster Tycoon (video game): RollerCoaster Tycoon is a construction and management simulation video game that simulates amusement park management.  Developed by Chris Sawyer Productions and published by MicroProse, the game was released for Microsoft Windows in 1999 and was later ported to the Xbox by Infogrames in 2003.  It is the first game in the "RollerCoaster Tycoon" series.

RollerCoaster Tycoon Classic: RollerCoaster Tycoon Classic is a construction and management simulation video game developed by Origin8 Technologies and published by Atari.  The game combines features that were first seen in "RollerCoaster Tycoon" and "RollerCoaster Tycoon 2", which were both amusement park management simulators created by Chris Sawyer for the PC.  The game was released worldwide for iOS and Android in December 2016, while a version for Microsoft Windows and macOS was released in September 2017.

Thrillville: Thrillville is a simulation and strategy video game that depicts theme park management, very similar to "RollerCoaster Tycoon", which Frontier Developments also developed.  "Thrillville" is available for PlayStation 2, PlayStation Portable and, in North America, Xbox.

2006 in video gaming: 2006 has seen many sequels and prequels in video games and several new titles such as "Bully", "Company of Heroes", "Dead Rising", "Gears of War", "Just Cause", "", "Prey", "", "Saints Row", and "Thrillville".

Freight Tycoon: Freight Tycoon is a simulation strategy computer game focused around transporting goods via small and large tonnage trucks.  The game was published by the Russian 1C Company.

Kaiser (video game): Kaiser is a West German simulation strategy video game developed and published by Ariolasoft.

Family Park Tycoon: Family Park Tycoon is a business simulation video game for the Nintendo DS developed by VIS Games and Entertainment, a division of Visual Imagination Games and Software, and published by Astragon.  Game play focuses on amusement park management.

Supporting paragraphs: 2006 in video gaming Thrillville
Answer: Frontier Developments