Sierra Entertainment

==On-Line Systems==
===1980–1982===
==Sierra On-Line==
===1980–1983===
On-Line Systems also used the Sierra On-Line brand before officially changing to the Sierra name in 1982.
===1983–1993===
The design of this logo may vary depending on which game is played.
===1993–1998===
Sierra Entertainment 1993.svg|Alternate version
Sierra Entertainment 1993 (Stacked).svg|Stacked version
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===1998–2001===
In 1998, the mountain-in-a-circle was dropped and the text changed. The company was split into five sub-brands; those being Sierra Studios, Sierra Attractions, Sierra Home, Sierra Sports and Sierra FX.
===2001–2002===
In 2001, all of the sub-brands were reformed into one universal brand (except Sierra Home, which remained separate) under the Sierra name. Only a few games used this short-lived logo, such as The Operative: No One Lives Forever - Game of the Year Edition.
==Sierra Entertainment==
===2002–2008===
After Sierra On-Line changed their name to Sierra Entertainment, they reintroduced the mountain-in-circle logo. In 2008, after Activision merged with Sierra's parent company Vivendi Games to form Activision Blizzard, the brand was absorbed into Activision itself, while selling two of its studios, video game rights, and games that were originally in development for the publisher to other companies.
Sierra Entertainment Logo.svg
Sierra Entertainment - A Vivendi Games Company.svg|Logo with Vivendi Games byline
vlcsnap-2015-04-29-14h45m01s149.png|On screen logo
===2014–2016===
In 2014, Activision revived the Sierra name as a brand focusing on download-only games. In 2018, The TJX Companies, which owns Sierra Trading Post, acquired the domain sierra.com from Activision.
Category:Sierra Entertainment
Category:Activision
Category:Activision Blizzard
Category:Vivendi
Category:Video game publishers
Category:Video game companies of the United States
Category:Simi Valley
Category:California
Category:United States
Category:1980s
Category:1980