Question:  Rainbow Studios was acquired by the company that was founded in what year?

Context paragraphs:
Motocross Madness (2013 video game): Motocross Madness is a motocross racing video game that was developed by Bongfish and published by Microsoft Studios.  It was released on April 10, 2013 on Xbox Live Arcade.  It is a sequel to two PC games, 1998's "Motocross Madness" and 2000's "Motocross Madness 2", which were developed by Rainbow Studios, who have since moved on to making the "MX vs. ATV" series.

MX vs. ATV Supercross: MX vs. ATV Supercross is a racing video game developed by Rainbow Studios and published by Nordic Games for Microsoft Windows, PlayStation 3, and Xbox 360.  This is the fifth game of the "MX vs. ATV" franchise and it is the first game developed after the original creator of the franchise, Rainbow Studios, separated from their most recent publisher THQ due to bankruptcy.  An updated version, known as MX vs. ATV Supercross Encore, was released for PlayStation 4 and Microsoft Windows on October 27, 2015, and for Xbox One on July 15, 2016.

MX vs. ATV Reflex: MX vs. ATV Reflex is an off-road racing video game developed by Rainbow Studios and published by THQ.  It is the third game in the "MX vs. ATV" series.

MX vs. ATV Untamed: MX vs. ATV Untamed is an offroad racing game developed by Rainbow Studios, Incinerator Studios, Tantalus Media and published by THQ for the PlayStation 2, PlayStation 3, and PlayStation Portable.  It is a part of their "MX vs. ATV" series.

Rainbow Studios: Rainbow Studios Inc. is an American video game developer known for their off-road racing video games involving motocross bikes and all-terrain vehicles.  The company was founded in 1995.  Originally making Rail shooters with their first game being The Hive, the company shifed gears and created "Motocross Madness", which was released in 1998 for computers running Microsoft Windows.  Originally independent, it was acquired by THQ in 2001, until being acquired by Nordic Games in 2013, and incorporated as Rainbow Studios Inc., in 2015.

Motocross Madness (1998 video game): Motocross Madness is a motocross racing video game that was developed by Rainbow Studios and published by Microsoft.  It was released on August 14, 1998.  A sequel, "Motocross Madness 2", was released in 2000.  In 2013, a sequel for Xbox 360 was released, titled "Motocross Madness".  In the game, one can earn money by utilizing "career mode", but play for fun in Baja, Stunts, Enduro, Supercross, and National levels as well.

Deadly Tide: Deadly Tide is a rail shooter full motion video game developed by Rainbow Studios and published by Microsoft Game Studios for Windows 95 in 1996.

THQ Nordic: THQ Nordic GmbH (formerly Nordic Games GmbH) is a video game publisher, based in Vienna, Austria.  It is a subsidiary of Swedish company THQ Nordic AB.  The company was founded in 2011 by Swedish entrepreneur Lars Eric Olof Wingefors.  Its core portfolio comprises products and brands which were acquired from other large publishers, such as from JoWooD Entertainment and its former subsidiary DreamCatcher Interactive in 2011, from THQ in 2011, and from Digital Reality and NovaLogic in 2016.

Cars Mater-National Championship: Cars Mater-National Championship is a racing video game developed by Rainbow Studios and published by THQ for PlayStation 2, PlayStation 3, Wii, Xbox 360, Microsoft Windows, Nintendo DS and Game Boy Advance, released on October 29, 2007.  It is the sequel to the 2006 video game Cars, which was based on the "Cars" film from Pixar.  In 2009, a sequel called "Cars Race-O-Rama" was released.  This is the last Pixar game to be released on Game Boy Advance.

New Skin (Incubus song): "New Skin" is a song by American alternative rock band Incubus and was released as the second single from its second album, "S.C.I.E.N.C.E.".  It reached #21 on the Billboard top singles in 1998.  This song originally appeared on the demo "Let Me Tell Ya 'Bout Root Beer" in 1995.  It was featured as the intro song to the PC game Motocross Madness 2 developed by Rainbow Studios.  The song's bridge quotes Buckminster Fuller's quote, "Up to the Twentieth Century, reality was everything humans could touch, smell, see, and hear.  Since the initial publication of the chart of the electromagnetic spectrum, humans have learned that what they can touch, smell, see, and hear is less than one-millionth of reality."

Supporting paragraphs: Rainbow Studios THQ Nordic
Answer: 2011