Sierra Sports was publisher Sierra’s sports brand. Known in the late ’70s as On-Line Systems, Sierra was founded by Ken Williams, who also programmed the first graphic/text adventure game ever created: Roberta Williams’ Mystery House. On-Line Systems became Sierra On-Line in 1980, and moved its headquarters from Los Angeles to the Sierra foothill community of Oakhurst, California. Soon after, Roberta Williams created her second adventure game, The Wizard and the Princess, which sold more than sixty thousand copies, and eventually struck gold with Sierra’s most popular series, King’s Quest.
Before merging with Cendant Software in 1996, Sierra conducted a series of acquisitions to help expand the company’s reach. They included: Dynamix (1990), Bright Star Technologies (1992), French publisher Coktel (1993), Impressions (1995), Papyrus, SubLogic (both 1995) and finally Berkeley Systems (1997).
In January of 1999, Sierra and its affiliates were acquired by Havas, S.A.