Companies

Sierra

Sierra is a developer and publisher.

Most Popular Games Developed by Sierra

SWAT 3: Close Quarters Battle

SWAT 3: Close Quarters Battle

November 18, 1999

Action

SWAT 3: Close Quarters Battle
King's Quest IV: The Perils of Rosella

King's Quest IV: The Perils of Rosella

January 30, 1988

Adventure

King's Quest IV: The Perils of Rosella
Quest for Glory IV: Shadows of Darkness

Quest for Glory IV: Shadows of Darkness

December 10, 1993

Adventure

Quest for Glory IV: Shadows of Darkness
Gabriel Knight 3: Blood of the Sacred, Blood of the Damned

Gabriel Knight 3: Blood of the Sacred, Blood of the Damned

November 18, 1999

Adventure

Gabriel Knight 3: Blood of the Sacred, Blood of the Damned
Phantasmagoria

Phantasmagoria

July 31, 1995

Adventure

Phantasmagoria
Laura Bow in the Dagger of Amon Ra

Laura Bow in the Dagger of Amon Ra

November 12, 1992

Adventure

Laura Bow in the Dagger of Amon Ra

Sierra is a publishing brand under Activision, active since 2014, and the direct successor of the historic and highly regarded video game company Sierra Entertainment (formerly known as Sierra On-Line and On-Line Systems). In 2008, the original Sierra Entertainment was acquired by Activision Blizzard, a holding company formed through the merger of Activision and Vivendi Games. Just a few months after acquiring the company, the new owner chose to shut it down. Six years later, Sierra was revived, keeping the rights to all the titles it had previously released.

Sierra as a game producer

As a developer, Sierra On-Line revolutionized the video game industry, creating some of the first adventure games featuring graphics in the 1980s (before Sierra, adventure games used to be text-only). During its heyday around 1995, Sierra was known primarily as the creator of iconic adventure series such as King's Quest, Police Quest, Space Quest, Leisure Suit Larry, Quest for Glory, Gabriel Knight, Phantasmagoria, and Shivers. After parting ways with the biggest pillars of the company, that is, after 1999, Sierra Entertainment practically ceased development activities, focusing almost exclusively on publishing games from other producers.

The most important development studios owned by Sierra Entertainment over the years included the following (in alphabetical order):

Sierra as a game publisher

During its first twenty years, Sierra On-Line rarely published games from external developers, focusing primarily on titles developed in-house or by its subsidiary studios. However, the company ramped up its publishing efforts in the late 1990s. After parting ways with several key creators - such as Ken and Roberta Williams, Scott Murphy, and Al Lowe - Sierra virtually halted its own development activities. Until its dissolution in 2008, Sierra Entertainment published numerous notable games from third-party developers, including well-known brands such as:

After the company's revival in 2014, Sierra - operating as a publishing brand under Activision Blizzard - focused on re-releasing classic games and publishing new titles developed by external studios.

History

On-Line Systems and Sierra's first successes

Sierra's origins trace back to 1979, when Ken and Roberta Williams founded On-Line Systems in Simi Valley, California (USA). At the time, Ken Williams worked as a programmer at IBM, while Roberta Williams spent her free time playing text-based adventure games on her Apple II computer. The immediate motivation for founding the company was the desire to take advantage of the graphical capabilities of contemporary home computers, enriching the experience of adventure video games beyond purely text-based gameplay. After the company’s early successes, in 1982 On-Line Systems was renamed Sierra On-Line and relocated its headquarters to Oakhurst, California. By 1984, Sierra had grown rapidly and was recognized as the twelfth-largest home computer company in the world.

In the early 1980s, the company’s first games were developed collaboratively by Ken and Roberta Williams, with one handling the writing and graphics while the other focused on programming. On-Line Systems’ debut game, Mystery House, part of the Hi-Res Adventures series, made history as the first adventure game to combine graphics with text. In 1983, the Williamses pitched a game concept to IBM for the newly released IBM PC. The proposal was accepted, and in the summer of 1984, Sierra released the adventure game King's Quest: Quest for the Crown, built on its proprietary Adventure Game Interpreter engine. It became the company's first major success and launched one of its most iconic series.

In the years that followed, Sierra On-Line welcomed young, talented developers who went on to create other key franchises for the company, including Space Quest and Leisure Suit Larry. The first Leisure Suit Larry installment, released in 1987, was widely regarded as the best adventure game of that year and also became notorious as one of the earliest widely pirated computer games. Roberta Williams’ friendship with a police officer inspired the 1987 release of Police Quest: In Pursuit of the Death Angel, which went on to become another long-running adventure series for Sierra. In 1989, Sierra released the first installment of another key series, Quest for Glory, which blended elements of adventure games with role-playing mechanics. In the late 1980s and early 1990s, Sierra On-Line focused most of its efforts on developing its four flagship series. In 1987, the company also launched its own video game magazine, initially titled The Sierra Newsletter, later The Sierra News Magazine, and finally InterAction, which was published until 1999.

In 1990, Sierra released King's Quest V: Absence Makes The Heart Go Yonder, which became the company’s first title to surpass 500,000 copies sold. That same year, Sierra also acquired Jeff Tunnell’s Dynamix studio, which would later go on to create the cult puzzle game series The Incredible Machine. In 1991, another series of logic games was launched - Dr. Brain - which went on to receive several successful sequels in the following years. In the mid-1990s, Sierra On-Line wrote an important chapter in the history of electronic gaming by releasing the first adventure games that used FMV (Full Motion Video) - video sequences recorded with live-action actors. Games such as Phantasmagoria and The Beast Within: A Gabriel Knight Mystery became a lasting part of video game history, serving for many years as unmatched examples of adventure games with strong horror elements. The company's rapid and dynamic growth eventually forced Sierra On-Line to seek a new headquarters, and it ultimately relocated to Bellevue, Washington. However, one of Sierra’s internal development studios remained in its former location in Oakhurst, which was later renamed Yosemite Entertainment.

A fall from grace

At that time, Sierra On-Line consisted of five separate units, each responsible for different aspects of the company's operations, such as game production, marketing, distribution, and sales. 1995 was a very successful year for the company. Sierra acquired the British studio Impressions Games, known for the Caesar series, and the American Papyrus Design Group - creators of the NASCAR Racing and IndyCar Racing series. Sierra also signed an agreement with Pioneer Electric Corp. to distribute its titles in Japan, resulting in the debut of more than 20 of the company's previously released US productions in the Japanese market. A year later, however, Sierra was caught up in a whirlwind of ownership changes. In July 1996, Sierra On-Line was acquired by CUC International, and Ken Williams resigned as president, leaving the parent company a year later along with his wife. After the departure of its founders, Sierra underwent a major restructuring in November 1996, leading to the creation of three distinct organizational units. In December 1997, CUC International merged with HFS Incorporated to form Cendant Corporation, and a few months later, Sierra was reorganized into four independent divisions: Sierra Attractions, Sierra Home, Sierra Sports, and Sierra Studios.

In March 1998, following revelations of CUC International's tax fraud, Cendant Corporation's shares plummeted, and the company reported multi-million-dollar losses. As a result, in November of the same year, Sierra On-Line was sold to Havas SA, which was subsequently acquired by the French media giant Vivendi. A few months later, Sierra underwent another major reorganization, resulting in the layoffs of approximately 250 people, including much of the Dynamix studio, as well as Al Lowe, creator of the Leisure Suit Larry series, and Scott Murphy, creator of the Space Quest series. The Yosemite Entertainment studio was also closed, with its employees subsequently finding employment at Codemasters Software. This "revamped" Sierra was divided into three business units - Core Games, Casual Entertainment, and Home Productivity - and, despite these drastic changes, it actively continued its publishing activities. During this period, important titles such as Diablo: Hellfire, NASCAR Racing 3, Caesar III, Pharaoh, the legendary Half-Life, and the renowned Homeworld, which revolutionized the space RTS genre, were released.

In June 2000, following ownership changes involving Vivendi, Seagram, and Canal+, Sierra-Online became a subsidiary of the newly established Vivendi Universal, under which the electronic entertainment division Vivendi Universal Games (later simply Vivendi Games) was created. On February 19, 2002, the company officially changed its name, which it had used for two decades, to Sierra Entertainment, Inc., highlighting its commitment to a wide range of entertainment products, including games for PCs and next-generation consoles. After 1999 and the departure of the company's key figures, Sierra was little more than a shadow of its former self. It also effectively suspended nearly all development activities, with the exception of the Police Quest series, which in the meantime evolved from an adventure game into a tactical strategy series, and ultimately into the first-person SWAT action games. In 2004, an attempt was made to revive the Leisure Suit Larry series, but the new game - developed for the first time without the involvement of the series’ creator, Al Lowe - proved to be a complete flop.

In the early years of the 21st century, Sierra released several iconic titles, such as Aliens vs. Predator 2, Counter-Strike: Condition Zero, the RPG Arcanum: Of Steamwork and Magick Obscura, the strategy games Empire Earth, Homeworld 2, and Lords of the Realm III, the next installments of the NASCAR Racing and Spyro series, as well as three games set in the fantasy universe of J.R.R. Tolkien. Hoyle Games, a series of casual gambling games from the late 1980s under the name of Edmond Hoyde, an eighteenth-century writer and author of many guides to such games as chess and dice, was also revived. Despite the good sales of the aforementioned titles, lack of revenue from development activities and further financial problems led to further cuts in the ranks of Sierra Entertainment. In the spring of 2004, Impressions Games and Papyrus Design Group were closed, while the Hoyle Games brand was sold to an external developer. A few months later, Vivendi Games decided to close Sierra's Bellevue studio, and those who retained their jobs were relocated to a new location in Fresno, California.

Sierra's closure and reactivation

At the end of 2005, an attempt was made to restore Sierra's former glory with the Sierra On-Line brand, which was to focus exclusively on online titles. Over the next dozen or so months, several promising studios were incorporated into Sierra's structures, such as the Swedish Massive Entertainment, the American High Moon Studios, the Canadian Radical Entertainment, and the British Swordfish Studios. The fourth installment of the Caesar series was also released, the development of which was entrusted to the Tilted Mill Entertainment team after the closure of Impressions Games. Between 2005 and 2007, Sierra released a few simple arcade games for the Xbox 360, several installments of the iconic Crash series, two more installments of the Empire Earth series, and several other important titles such as FEAR, World in Conflict and TimeShift. In the summer of 2008, Sierra's owner, Vivendi Games, merged with Activision, resulting in the creation of the Activision Blizzard holding company. As a result of the merger, Vivendi Games ceased to exist and its existing studios were taken over by Activision. A few months later, Sierra's new owner decided to close the studio (with the possibility of later sale).

After nearly six years of inactivity, on August 7, 2014, the existing Sierra Entertainment website, which previously redirected to the Activision website, was updated with a new company logo. During gamescom 2014, it was confirmed that Sierra had been revived as an Activision publishing brand. It was also revealed that the company would focus on re-releases of its old bestsellers and refreshing many of its iconic brands, as well as collaborating with other developers to create new, innovative projects for the Steam, PlayStation Network, and Xbox Live platforms. The first announced games from the reactivated Sierra were the arcade game Geometry Wars 3 by Lucid Games and an episodic reboot of the classic King's Quest series by The Odd Gentlemen.

Developed Games

List of all released games developed by Sierra.

Released Games

List of all released games published by Sierra.

Sierra News

Black Mesa: Blue Shift - big update for a fan remake of Half-Life expansion pack with

Black Mesa: Blue Shift - big update for a fan remake of Half-Life expansion pack with

Black Mesa: Blue Shift, a fan remake of the second add-on to the first Half-Life, has been heavily improved with a major update.

Files and Mods

November 23, 2025

Black Mesa: Blue Shift - big update for a fan remake of Half-Life expansion pack with
Diablo 1 DevilutionX with new version and better controls

Diablo 1 DevilutionX with new version and better controls

A new version of DevilutionX, a mod that upgrades the first installment of the Diablo series, has been released.

Files and Mods

November 2, 2025

Diablo 1 DevilutionX with new version and better controls
It was unavailable for years. Beloved gangster game is coming back to Steam, but the whole situation raises mixed feelings

It was unavailable for years. Beloved gangster game is coming back to Steam, but the whole situation raises mixed feelings

Unexpectedly, the 2006 game Scarface: The World is Yours has returned to sale. For now, only available on the Epic Games Store, but it will soon be up on Steam as well.

video games

October 22, 2025

It was unavailable for years. Beloved gangster game is coming back to Steam, but the whole situation raises mixed feelings
His Steam account was hacked several times. The rescue turned out to be a 19-year-old game

His Steam account was hacked several times. The rescue turned out to be a 19-year-old game

The keys from old boxed editions of a game can come in handy when a Steam user loses access to their account.

video games

October 17, 2025

His Steam account was hacked several times. The rescue turned out to be a 19-year-old game
SWAT 3: Last Resort mod remasters the game that inspired Ready or Not

SWAT 3: Last Resort mod remasters the game that inspired Ready or Not

A new version of the Last Resort mod, has been released. The project upgrades the cult-classic SWAT 3 tactical shooter.

Files and Mods

August 17, 2025

SWAT 3: Last Resort mod remasters the game that inspired Ready or Not
Steam and Half-Life were created because Gabe Newell couldn't stand that „more people were using Doom than Windows”

Steam and Half-Life were created because Gabe Newell couldn't stand that „more people were using Doom than Windows”

Gabe Newell recently gave an interview in which he shared the story behind the founding of Valve. As it turns out, Microsoft and Doom played a big role in it.

video games

July 29, 2025

Steam and Half-Life were created because Gabe Newell couldn't stand that „more people were using Doom than Windows”
One of Half-Life 2's biggest secrets remained hidden for 20 years. Player discovered real reason behind „elusive” river in City 17

One of Half-Life 2's biggest secrets remained hidden for 20 years. Player discovered real reason behind „elusive” river in City 17

One Half-Life 2 fan traced elements from the 2003 beta version of the game and compared them to the final release. According to him, the inaccessible river cutting through City 17 was to play a much bigger role.

video games

April 14, 2025

One of Half-Life 2's biggest secrets remained hidden for 20 years. Player discovered real reason behind „elusive” river in City 17
Another reason to replay Half Life 2 as a new RTX demo mod is out today

Another reason to replay Half Life 2 as a new RTX demo mod is out today

City 17 has never looked better. We can now play two chapters of Half-Life 2 with full ray tracing and in 4K.

video games

March 18, 2025

Another reason to replay Half Life 2 as a new RTX demo mod is out today
CS 1.6 scores a comeback as CS: Legacy, it might be a return to Counter's best days

CS 1.6 scores a comeback as CS: Legacy, it might be a return to Counter's best days

A group of modders is working on CS: Legacy, a remake of Counter-Strike 1.6 built on the latest version of the Source engine.

video games

March 18, 2025

CS 1.6 scores a comeback as CS: Legacy, it might be a return to Counter's best days
Dark Interval Part 2 is 5-6 hours of pure fun in the Half-Life 2 universe

Dark Interval Part 2 is 5-6 hours of pure fun in the Half-Life 2 universe

The huge Dark Interval Part 2 mod for Half-Life 2 has been released, offering a multi-hour campaign built from ideas abandoned by the Valve studio.

Files and Mods

December 16, 2024

Dark Interval Part 2 is 5-6 hours of pure fun in the Half-Life 2 universe