Sierra On-Line

Last updated: January 19, 2026

Overview

Sierra On-Line (originally On-Line Systems, later Sierra Entertainment) was the flagship American video game publisher founded in 1979 by Ken Williams and Roberta Williams. The company pioneered the graphic adventure game genre and published some of the most influential games in PC gaming history, including the King’s Quest, Space Quest, Police Quest, Leisure Suit Larry, and Quest for Glory series.

Corporate History

EraNameYearsNotes
FoundingOn-Line Systems1979-1982Original company name
Classic EraSierra On-Line1982-1998Main publishing label
Late EraSierra Studios1997-2001High-profile PC releases
Vivendi EraSierra Entertainment1999-2008Post-merger branding

Sub-Labels and Divisions

Sierra operated several specialized sub-labels for different game genres:

  • SierraVision - Early arcade-style games (1982-1984)
  • Sierra FX - Action and effects-heavy games (Quest for Glory V, SWAT 2)
  • Sierra Attractions - Theme park and casual games (3-D Ultra series)
  • Sierra Sports - Sports simulation titles
  • Sierra Home - Educational and home software

Acquired Studios

Sierra acquired and published games from numerous development studios:

  • Dynamix (acquired 1990) - Action, adventure, and simulation
  • Impressions Games (acquired 1995) - City-building games
  • Coktel Vision (acquired 1993) - French adventure and educational games
  • Papyrus Design Group (acquired 1995) - Racing simulations
  • Relic Entertainment (partnership) - Strategy games
  • Berkeley Systems (acquired 1997) - Screensavers and casual games
  • Synergistic Software (acquired) - Sports simulations, RPGs
  • Valve (publishing partnership 1998-2001) - First-person shooters

Games Published

This section lists all games published under Sierra On-Line and its subsidiaries. Games with dedicated pages in this archive are linked; others are listed for completeness.

On-Line Systems Era (1980-1982)

Adventures

YearGameNotes
1980Mission AsteroidHi-Res Adventure #0
1980Mystery HouseFirst graphic adventure
1980The Wizard and the PrincessHi-Res Adventure #2
1981Cranston ManorHi-Res Adventure #3
1981Ulysses and the Golden FleeceHi-Res Adventure #4
1981Softporn AdventureText adventure
1982Time ZoneHi-Res Adventure #5, 6 disks
1982Adventure in SereniaPCjr version

Arcade Games

YearGameNotes
1980Skeet ShootThird-party developed
1980Trap ShootThird-party developed
1980Hi-Res FootballSports
1980Hi-Res SoccerSports
1980Hi-Res CribbageCard game
1981CrossfireJay Sullivan
1981ThresholdArcade shooter
1981JawbreakerPac-Man style
1981GobblerOlaf Lubeck
1981SabotageMark Allen
1982Cannonball BlitzDonkey Kong style
1982FroggerLicensed port
1982Lunar LeeperChuck Bueche
1982Jawbreaker IIAtari 8-bit port
1982Laf PakChuck Bueche compilation
1982Creepy CorridorsMaze game
1982Dragon’s KeepAction
1982MarauderShooter
1982MouskattackAction
1982Pest PatrolFixed shooter

Licensed/Published Titles

YearGameNotes
1982Ultima IIRichard Garriott (Origin)

SierraVision/Early Sierra Era (1983-1984)

Adventures & Licensed Games

YearGameNotes
1983The Dark CrystalLicensed from Jim Henson
1983Troll’s TaleChildren’s adventure
1983Ultima: Escape from Mt. DrashVIC-20 spinoff
1984King’s Quest: Quest for the CrownFirst AGI game
1984Mickey’s Space AdventureDisney license
1984Winnie the PoohDisney license
1984Donald Duck’s PlaygroundDisney license
1984Gelfling AdventureAl Lowe, Dark Crystal tie-in

Arcade Games

YearGameNotes
1983B.C.’s Quest for TiresLicensed comic strip
1983Apple Cider SpiderIvan Strand
1983Mr. CoolQ*bert style
1983Oil’s WellArcade puzzle
1983Sammy LightfootPlatformer
1983Mine ShaftAction
1983AquatronShooter
1983WallWarPeter Oliphant
1984B.C. II: Grog’s RevengeSequel
1984Sword of KadashAction RPG

Educational

YearGameNotes
1982Alphabet BlocksPreschool
1982Bop-A-BetAlphabet game
1983Beginning ReadingEducational
1983Early MathEducational
1983Kids’ TypingTyping tutor
1983Ready, Set, Read!Educational
1983Learning with LeeperEducational
1984Learning with FuzzyWOMPEducational
1984Wizard of Id’s WizTypeTyping tutor
1984Wizard of Id’s WizMathMath education

AGI Era (1985-1988)

Flagship Adventures

YearGameNotes
1985King’s Quest IIKing’s Quest series
1986King’s Quest IIIKing’s Quest series
1986Space QuestTwo Guys from Andromeda
1986The Black CauldronDisney license
1987Leisure Suit LarryAl Lowe
1987Police QuestJim Walls
1987Space Quest IISpace Quest series
1987Mixed-Up Mother GooseChildren’s
1988King’s Quest IVFirst SCI game
1988Leisure Suit Larry IILSL series
1988Police Quest IIPQ series
1988Gold Rush!Doug & Ken MacNeill
1988Manhunter: New YorkMurry & Evryware

Other Adventures & Games

YearGameNotes
1985The Crimson CrownPolarware acquisition
1985ThexderGame Arts (Japan)
1986ArcticfoxDynamix (pre-acquisition)
1986KempelenChess
1986Wrath of DenethenorRPG
19873-D Helicopter SimulatorSierra
1987Skyfox IIEA port
1987Laser SurgeonMedical education

Sports & Simulation

YearGameNotes
1985Sierra Championship BoxingSports
1985Stunt FlyerFlight sim

SCI/Golden Era (1989-1995)

Flagship Sierra Adventures

YearGameNotes
1989Quest for Glory ILori & Corey Cole
1989Space Quest IIITwo Guys
1989Leisure Suit Larry IIIAl Lowe
1989The Colonel’s BequestLaura Bow series
1989Manhunter 2Manhunter series
1989Codename: ICEMANJim Walls
1990King’s Quest VFirst VGA adventure
1990Quest for Glory IIQFG series
1990Conquests of CamelotChristy Marx
1990Mixed-Up Mother Goose VGARemake
1991Space Quest I VGARemake
1991Space Quest IVCD-ROM era
1991Leisure Suit Larry VGARemake
1991Leisure Suit Larry 5LSL series
1991Police Quest IIIPQ series
1991Conquests of the LongbowChristy Marx
1991EcoQuestJane Jensen debut
1992King’s Quest VIJane Jensen co-wrote
1992Quest for Glory I VGARemake
1992Quest for Glory IIIQFG series
1992The Dagger of Amon RaLaura Bow series
1992Police Quest VGARemake
1993Gabriel KnightJane Jensen
1993Quest for Glory IVQFG series
1993Space Quest VDynamix developed
1993Police Quest: Open SeasonDaryl Gates
1993Freddy PharkasAl Lowe
1993Pepper’s Adventures in TimeLorelei Shannon
1993EcoQuest 2Jane Jensen
1994King’s Quest VIIAnimated style
1995PhantasmagoriaRoberta Williams FMV
1995The Beast WithinGabriel Knight 2
1995Space Quest 6Final SQ
1995ShiversHorror
1995Torin’s PassageAl Lowe
1995Police Quest: SWATTactical simulation

Dynamix Adventures & Action

YearGameNotes
1989David Wolf: Secret AgentFMV action
1989DeathtrackCombat racing
1990Rise of the DragonCyberpunk adventure
1991Heart of China1930s adventure
1991The Adventures of Willy BeamishComedy adventure
1991Nova 9Stellar 7 sequel
1990Stellar 7Tank action
1993Stellar 7: Draxon’s Revenge3DO version
1993Stellar-Fire3DO

Dynamix Flight Simulations

YearGameNotes
1989A-10 Tank KillerAttack aircraft sim
1990Red BaronWWI combat
1991A-10 Tank Killer 1.5Updated
1992Aces of the PacificWWII Pacific
1992Red Baron Mission BuilderExpansion
1993Aces Over EuropeWWII Europe
1994Aces of the DeepU-boat sim
1995Command Aces of the DeepEnhanced
1996Silent ThunderA-10 sequel
1997Red Baron IIWWI sequel
1998Red Baron 3D3D accelerated
1999Curse You! Red BaronArcade spin-off

Dynamix Mech & Strategy

YearGameNotes
1994Metaltech: EarthsiegeMech combat
1994Metaltech: BattledromeMech arena
1995Earthsiege ExpansionAdd-on
1996Earthsiege 2Sequel
1996MissionForce: CyberStormMech strategy
1996Hunter HuntedAction
1996CyberGladiatorsFighting
1998CyberStorm 2Strategy sequel
1998Starsiege: TribesOnline FPS
1999StarsiegeMech sim
2001Tribes 2FPS sequel
2002Tribes: Aerial AssaultPS2

The Incredible Machine Series

Dr. Brain Series

YearGameNotes
1991Castle of Dr. BrainEducational puzzle
1992The Island of Dr. BrainSequel
1995The Lost Mind of Dr. BrainThird entry
1996The Time Warp of Dr. BrainFourth entry
1998Dr. Brain: IQ AdventureChildren’s
1998Dr. Brain: Puzzle MadnessChildren’s
1999Dr. Brain: Action ReactionPhysics puzzles

Coktel Vision Titles

YearGameNotes
1988AbracadabraAdventure
1988African Raiders-01Action
1989EmmanuelleAdult adventure
1989Legend of DjelFantasy adventure
1989E.S.S.Space sim
1990GeishaAdult adventure
1991E.S.S. MegaEnhanced edition
1991FascinationAdventure
1991GobliiinsPuzzle adventure
1991A.G.E.Strategy
1992A.J.’s World of DiscoveryEducational
1992Bargon AttackSci-fi adventure
1992Gobliins 2Sequel
1992IncaAction-adventure
1992Ween: The ProphecyFantasy adventure
1993Goblins Quest 3Trilogy finale
1993Inca IISequel
1993Lost in TimeSci-fi adventure
1994Playtoons 1Children’s
1995Playtoons 2Children’s
1995Playtoons 3Children’s
1995Playtoons 4Children’s
1995Woodruff and the SchnibbleComedy adventure
1996Urban RunnerFMV thriller

Impressions Games Titles

YearGameNotes
1991Cohort: Fighting for RomeStrategy
1991Fort ApacheWestern strategy
1991Merchant ColonyTrade sim
1991V for Victory: Utah BeachWargame
1992Air BucksAirline sim
1992Air Force CommanderStrategy
1992Crime CityManagement sim
1992Conquest of JapanStrategy
1992DiscoveryHistory sim
1993CaesarCity-builder
1993Cohort IIStrategy sequel
1993Global DominationStrategy
1993WW2 Air Force CommanderWargame
1994DetroitBusiness sim
1994Front LinesWWI strategy
1994Lords of the RealmMedieval strategy
1995Caesar IICity-builder
1995High Seas TraderTrading sim
1996Lords of the Realm IIStrategy
1997Lords of the Realm II Siege PackExpansion
1998Caesar IIICity-builder classic
1999PharaohEgyptian city-builder
2000CleopatraPharaoh expansion
2000Zeus: Master of OlympusGreek city-builder
2001PoseidonZeus expansion
2002EmperorChinese city-builder
2004Lords of the Realm IIIStrategy
2006Caesar IV3D city-builder

Papyrus Racing Simulations

YearGameNotes
1993IndyCar RacingOpen-wheel racing
1994NASCAR RacingStock car racing
1995IndyCar Racing IISequel
1996NASCAR Racing 2Sequel
1997NASCAR Racing 2 Grand NationalExpansion
1998Grand Prix Legends1967 F1
1999NASCAR Racing 3Updated
1999NASCAR LegendsRetro racing
1999NASCAR Truck SeriesTruck racing
2001NASCAR Racing 4Sequel
2002NASCAR Racing 2002Annual update
2003NASCAR Racing 2003Final Papyrus

Hoyle Game Collections

YearGameNotes
1989Hoyle Volume 1Card games
1990Hoyle Volume 2Board games
1991Hoyle Volume 3Solitaire
1991Hoyle Volume 4Puzzles
1992Hoyle BridgeBridge
1993Hoyle Volume 5More games
1995Hoyle SolitaireSolitaire collection
1996Hoyle Casino (1996)Casino games
1996Hoyle BlackjackBlackjack
1997Hoyle Classic CardsCard collection
1997Hoyle PokerPoker games
1998Hoyle Classic Board GamesBoard games
1998Hoyle Battling ShipsStrategy games
1999-2008Multiple annual Hoyle releasesSee Hoyle series

Late Era (1996-1999)

Sierra Adventures (Continued)

YearGameNotes
1996Leisure Suit Larry 7Last classic LSL
1996Phantasmagoria 2Sequel
1996LighthouseMyst-style
1996RAMAArthur C. Clarke license
1997Shivers IIHorror sequel
1998King’s Quest: Mask of EternityAction-RPG hybrid
1998Quest for Glory VSeries finale
1998Police Quest: SWAT 2Strategy
1998Return to KrondorRPG
1999Gabriel Knight 33D adventure
1999SWAT 3Tactical FPS

Valve/Sierra Partnership

YearGameNotes
1998Half-LifeRevolutionary FPS
1999Half-Life: Opposing ForceGearbox expansion
1999Team Fortress ClassicClass-based multiplayer
2000Counter-StrikeTactical shooter
2000Gunman ChroniclesWestern FPS
2001Half-Life: Blue ShiftGearbox expansion
2004Counter-Strike: Condition ZeroUpdated CS

Relic Entertainment

YearGameNotes
1999Homeworld3D space RTS
2000Homeworld: CataclysmBarking Dog expansion
2003Homeworld 2Sequel

Other Strategy & Simulation

YearGameNotes
1993Betrayal at KrondorRaymond E. Feist RPG
1994OutpostSpace colony sim
1994Alien LegacySpace colony sim
1995ShannaraTerry Brooks RPG
1996BirthrightD&D strategy
1996Rise & Rule of Ancient EmpiresStrategy
1996Civil War GeneralWargame
1997Civil War Generals 2Wargame
1997Lords of MagicFantasy strategy
1997Outpost 2Colony sim sequel
1997Betrayal in AntaraRPG spiritual successor
2001ArcanumTroika steampunk RPG
2001Empire EarthRTS
2002Empire Earth expansionAdd-on

Front Page Sports Series

YearGameNotes
1992FPS Football 92Football sim debut
1993FPS Football ProFootball
1994FPS Football Pro ‘95Football
1994FPS Baseball ProBaseball debut
1995FPS Football Pro ‘96Football
1996FPS Football Pro ‘97Football
1996FPS Baseball Pro ‘96Baseball
1997FPS Football Pro ‘98Football
1997FPS Baseball Pro ‘98Baseball
1997FPS GolfGolf sim
1997FPS Golf Tour Course Add-OnExpansion
1997FPS Ski RacingSkiing
1997FPS Trophy RiversFishing
1999FPS Ski Racing 99Skiing sequel

Trophy Bass Series

YearGameNotes
1995Trophy BassFishing sim debut
1996FPS Trophy Bass 2Sequel
1999Field & Stream: Trophy Bass 3DLicensed rebrand
2000Field & Stream: Trophy Bass 4Final entry

Other Sierra Sports Titles

YearGameNotes
1994Sierra SoccerAmiga exclusive
1997CART RacingIndyCar-style
1998PGA Championship GolfLicensed golf
1999Professional Bull RiderRodeo

3-D Ultra Series

Post-2000 Titles

Action Games

YearGameNotes
2000No One Lives ForeverMonolith spy FPS
2000Ground ControlMassive RTS
2002No One Lives Forever 2Sequel
2003Contract J.A.C.K.NOLF spin-off
2004Ground Control IIRTS sequel
2005SWAT 4Tactical shooter
2006SWAT 4 expansionAdd-on
2007World in ConflictRTS

Casual & Party Games

Third-Party Published Titles

Sierra distributed these games without development involvement:

YearGameDeveloperNotes
1996DiabloBlizzard EntertainmentDistribution only
1997Diablo: HellfireSynergisticExpansion
1995-2000You Don’t Know Jack seriesJellyvisionTrivia games
1988SilpheedGame ArtsJapanese shooter
1988ZeliardGame ArtsAction RPG
1990SorcerianGame ArtsRPG
1999Die Hard Trilogy 2n-SpaceLicensed action
1999Viper RacingMonster GamesRacing
2001Throne of DarknessClick EntertainmentAction RPG

Cancelled Projects


Notes

After corporate restructuring in the late 1990s, Sierra On-Line branding gradually gave way to sub-labels like Sierra Studios and Sierra Sports for specific genres, but the Sierra On-Line name remains iconic in adventure and PC gaming history.

References