Sierra Entertainment

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Sierra Entertainment
Sierra - 05.jpg
Founded 1979
Headquarters Los Angeles, California, USA
Other Names On-Line Systems, Sierra On-Line

Sierra Entertainment is an American video game developer and publisher. The company was founded in 1980 by Ken Williams. He had coded his wife Roberta's idea for a game, which eventually became Hi-Res Adventure #1: Mystery House. The game ended up being so successful that Ken and Roberta moved out of state, and eventually settled in Sierra, Nevada, which is how the company name was created. The company has developed and even published many highly successful franchises such as King's Quest, Police Quest, Space Quest, Leisure Suit Larry, and the Half-Life series. The company also acquired many other studios in its travels as a game production studio.

In 1996, Sierra Entertainment was acquired by Comp-U-Card (CUC) International for $1.06 billion. At the beginning of 1999, Sierra Entertainment was sold to Havas Interactive. The company ended up being owned by Vivendi Universal Games, but shut down all subsidiaries in 2004, and Sierra itself in June the same year. In 2005, Sierra was relaunched in Los Angeles, California, which published indie games, and the company reacquired their old licenses once owned by Vivendi. However, Vivendi later merged with Activision which eventually became Activision Blizzard, and so they disbanded Sierra in 2008 due to redundancy purposes.

Sierra was once again relaunched in August 2014.


Music Development


To create music for MS-DOS games, the composers used Sequencer Plus Gold by Voyetra Technologies. Their MIDI files were then converted to a sound driver by Stuart Goldstein.

File Formats

Audio Personnel