Sierra Entertainment

Sierra Entertainment (previously Sierra On-Line, commonly referred to as Sierra) is an American publisher founded in 1979 as On-Line Systems by Ken and Roberta Williams. Based in Oakhurst, California and later in Fresno, California, the company is owned by Activision, a subsidiary of Activision Blizzard.

Sierra is best known today for its multiple lines of seminal graphic adventure games started in the 1980s, many of which proved influential in the history of video games. The Sierra label was absorbed by its parent company in 2008. Some franchises (such as Crash Bandicoot and Spyro the Dragon) that were published by Sierra were later published by Activision.

Sierra was revived in 2014 by Activision Blizzard. It now focuses on re-releasing their old games, reviving their franchises and collaborating with independent developers for smaller projects.

History

Founding

Sierra Entertainment was founded in 1979 as On-Line Systems in Simi Valley, California, by Ken and Roberta Williams. Ken Williams, a programmer for IBM, bought an Apple II microcomputer which he planned to use to develop a Fortran compiler for the Apple II. At the time, his wife Roberta Williams was playing text adventure games on the Apple II. Dissatisfied with the text-only format, she realized that the graphics display capability of the Apple II could enhance the adventure gaming experience. After initial success, On-Line Systems was renamed Sierra On-Line in 1982, and the company moved to Oakhurst, California. By early 1984 InfoWorld estimated that Sierra was the world's 12th-largest microcomputer-software company, with $12.5 million in 1983 sales.

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DJMAX Trilogy

Released 2008
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Latest News for: sierra games

East Union evens series with Sierra

Manteca Bulletin 03 Apr 2025
... Wednesday when rival Sierra visited for Game 2 of their best-of-three Valley Oak League series.

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This Day 03 Apr 2025
Representing Sierra Leone alongside regulators from 11 ... He described D2D as a game changer that aligns with Sierra Leone’s broader vision for inclusive digital transformation and economic empowerment.

High school scoreboard: Unranked Princess Anne baseball team shocks No. 4 First Colonial

Daily Press 02 Apr 2025
Baseball. 757Teamz Top 15 ... WP ... Williams threw a five-inning perfect game for the Comets and Dekya Harris hit a home run ... Sierra Edney also contributed an assist. Goalkeeper Marlie Smith was the player of the game, with multiple saves to earn the shutout ... .

Daily News baseball Top 10: Undefeated Crespi in No. 1 spot

LA Daily News 01 Apr 2025
Crespi will face Sierra Canyon in a three-game series this week as they look to remain unbeaten both overall and in the Mission League ... Sierra Canyon bounced back with a 10-4 win over Notre Dame after ...

Blackburn Rovers star provides welcome injury update

Yahoo Daily News 01 Apr 2025
READ MORE. BRFC Action Group send Blackburn Rovers message ahead of Middlesbrough game ... "Having the international break definitely helped me so I didn't miss a few more games.

Jaquez leads Valencia baseball to road win at Castaic

The Signal 01 Apr 2025
“I mean, we’ve lost a couple close, one-run games ... It was his third home run in four games and his fifth on the season ... Castaic lost on Saturday to Sierra Canyon, 4-2, and has its league bye this week but is slated to play three non-league games.

Duke is seeking a national title. Top recruits Cameron and Cayden Boozer want a prep ...

Newsday 01 Apr 2025
Christopher Columbus Cayden Boozer #2 in action against Sierra Canyon during a high school basketball game at the Hoophall Classic, Monday, January 16, 2023, in Springfield, MA ... “You kind of have to focus on the game and be present in every game.

Syracuse recruit Kiyan Anthony wins MVP at national tournament

The Post-Standard 31 Mar 2025
Kiyan Anthony of Long Island Lutheran (3) before the Luhi Holiday Invitational boys high school basketball game between Long Island Lutheran and Sierra Canyon on December 13, 2024 at UBS Arena in ...

The Times’ top 25 high school baseball rankings

The Los Angeles Times 30 Mar 2025
HUNTINGTON BEACH (9-1); Three-game series this week with Corona del Mar; 2 5 ... SANTA MARGARITA (8-4); Three-game series this week with Mater Dei; 8 12 ... SIERRA CANYON (8-6); Three-game series this week vs ... SERVITE (9-3); Three-game series this week vs.

Did UCLA’s DeShaun Foster reload roster? Five questions going into spring practice

The Los Angeles Times 30 Mar 2025
Aguilar was spotted taking selfies with students waiting in line to attend a UCLA women’s basketball game in early March ... eligibility after being limited to four games last season because of injuries.

Rylee Silva helps Orange Lutheran softball hold off JSerra in Trinity League

Orange County Register 29 Mar 2025
Orange Lutheran second baseman Sierra Nichols, right, celebrates with teammates after scoring a run against JSerra in a Trinity League softball game in Orange on Friday, March 28, 2025.

Why the most popular accessory at SF’s Sweet 16 was being given out for free

The Daily Democrat 28 Mar 2025
Thirteen years since he and his daughter, Krystal, came up with the idea for “Chomp Gloves” at a San Jose Sharks game, Sierra’s perspective has changed ... “The only thing I can do,” Sierra said, “is to give them away.” ... “They went quick,” Sierra said.

Prep talk: Joshua Sur gives lift to Corona baseball team

The Los Angeles Times 28 Mar 2025
... 'It's pretty cool.' … The Valley Sports Foundation's Battle of the Valley All-Star basketball games for boys and girls will be held Saturday at Sierra Canyon, with the girls' game at 5 p.m.

Coatimundi that bit hiker in Southern Arizona still missing, likely died of rabies

Azcentral 28 Mar 2025
Arizona Game and Fish Department officials searched Ash Canyon, where a Tucson man was attacked on March 23 by a coatimundi perched on his car hood ... The canyon is south of Sierra Vista, Arizona.

Sierra Canyon baseball gets bounce-back win against Notre Dame

LA Daily News 27 Mar 2025
Sierra Canyon’s Sam Stoller congratulates Brayden Goldstein after he crosses the plate against Notre Dame in their Mission League game Mar 26, 2025.(Photo by Andy Holzman, Contributing Photographer).
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