Fandom

Xenopedia - The Alien vs. Predator Wiki

Sierra Entertainment

3,490pages on
this wiki
Add New Page
Talk0 Share

Ad blocker interference detected!


Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.

Organization
Sierra Entertainment
Sierra Logo
Headquarters: Fresno, California
Founded by: Ken Williams
Roberta Williams
Years active: 1979-present
Major activities: Video game publisher

Sierra Entertainment, formerly known as On-Line Systems, is an American video game publisher based in Fresno, California. It was founded in 1979 by Ken and Roberta Williams.

Video GamesEdit

Also on Fandom

Random Wiki