LucasArts

LucasArts Entertainment Company, LLC is an American video game publisher and licensor Until 2013, it was also a video game developer.
History.
The company was founded in May 1982 as Lucasfilm Games, the video game development group of Lucasfilm Limited, the film production company of George Lucas. 
Early years (1982-1987).
Lucasfilm Games could not develop "Star Wars" games in its early years because Atari had the license for "Star Wars" and because of that, Lucasfilm Games had to develop unique games and had their first projects published by other companies. Lucasfilm's early titles include: Ballblazer and "Rescue on Fractalus" both games were released in 1984", Koronis rift" released in 1985.
In 1987, Lucasfilm Games created the SCUMM engine which stands for "Script Creation Utility for Maniac Mansion" which would be used in many of LucasArt's future adventure games. The SCUMM engine was first developed for the game "Maniac Mansion" which was released in 1987.
Acquisition by Disney.
On October 30, 2012, LucasArts was acquired by The Walt Disney Company through the acquisition of its parent company Lucasfilm in a deal for $4.05 billion.