Release Timeline
Last updated: May 8, 2026
Every Sierra game organized chronologically—490 titles across 45 years. Flagship series are shown in bold. Fan projects marked (Fan). For browsing by series, see the Site Index.
1980s: The Adventure Game Pioneers
Sierra (renamed from On-Line Systems in 1982) created the graphic adventure genre with Mystery House and built it into an empire with King’s Quest. By decade’s end, they had launched five flagship series: King’s Quest, Space Quest, Leisure Suit Larry, Police Quest, and Quest for Glory.
1980
- Hi-Res Adventure 0 - Mission Asteroid — Series: Hi-Res Adventure, Type: Adventure
- Hi-Res Adventure 1 - Mystery House — Series: Hi-Res Adventure #1
- Hi-Res Adventure 2 - The Wizard and the Princess — Series: Hi-Res Adventure #2, Type: Adventure
- Hi-Res Cribbage — Series: Hi-Res Series, Type: Casino & Card Games
- Hi-Res Football — Series: Hi-Res Sports, Type: Sports
- Hi-Res Soccer — Series: Hi-Res Sports, Type: Sports
1981
- Colossal Cave Adventure — Type: Adventure
- Crossfire — Type: Shooter
- Gobbler — Type: Arcade
- Hi-Res Adventure 3 - Cranston Manor — Series: Hi-Res Adventure, Type: Adventure
- Hi-Res Adventure 4 - Ulysses and the Golden Fleece — Series: Hi-Res Adventure, Type: Adventure
- Jawbreaker — Series: Jawbreaker, Type: Action
- Sabotage — Type: Fixed Shooter
- Softporn Adventure — Type: Text Adventure
- Threshold — Type: Fixed Shooter
1982
- Adventure in Serenia — Series: Hi-Res Adventure, Type: Adventure
- Alphabet Blocks — Series: Sierra Discovery Series, Type: Educational
- Bop-A-Bet — Series: Hi-Res Learning Series, Type: Educational
- Cannonball Blitz — Type: Action/Platform
- Creepy Corridors — Series: Laf Pak, Type: Arcade
- Dragon’s Keep — Series: Hi-Res Learning, Type: Adventure
- Frogger — Series: Frogger, Type: Arcade
- Hi-Res Adventure 5 - Time Zone — Series: Hi-Res Adventures, Type: Adventure
- Jawbreaker II — Series: Jawbreaker, Type: Arcade
- Laf Pak — Type: Action/Compilation
- Lunar Leeper — Type: Arcade
- Marauder — Type: Action / Arcade Shooter
- Mouskattack — Type: Action
- Pest Patrol — Type: Fixed Shooter
- Ultima II - The Revenge of the Enchantress — Series: Ultima, Type: Role-Playing Game
1983
- Apple Cider Spider — Series: SierraVision, Type: Platform/Action
- Aquatron — Type: Action
- BC’s Quest for Tires — Series: B.C., Type: Action
- Early Math — Series: Talking Tutor, Type: Educational
- Hi-Res Adventure 6 - The Dark Crystal — Series: Hi-Res Adventure, Type: Adventure
- Learning with Leeper — Series: Leeper, Type: Educational
- Mine Shaft — Type: Arcade
- Mr. Cool — Type: Action/Platform
- Oils Well — Type: Maze/Arcade
- Ready, Set, Read! — Series: Sierra Discovery Series, Type: Edutainment
- Sammy Lightfoot — Type: Platform
- Troll’s Tale — Type: Adventure
- Ultima - Escape from Mt. Drash — Series: Ultima, Type: Adventure
- WallWar — Type: Action
1984
- BC II - Grog’s Revenge — Series: B.C., Type: Action
- Donald Duck’s Playground — Series: Disney, Type: Educational
- Gelfling Adventure — Series: Hi-Res Adventures, Type: Adventure
- King’s Quest - Quest for the Crown — Series: King’s Quest, Type: Adventure
- Learning with FuzzyWOMP — Series: Sierra Educational, Type: Educational
- Mickey’s Space Adventure — Series: Disney Educational Series, Type: Adventure
- Sword of Kadash — Type: Action RPG
- Winnie the Pooh in the Hundred Acre Wood — Series: Disney Edutainment Series, Type: Adventure / Edutainment
- Wizard of Id’s WizMath — Type: Educational / Puzzle
- Wizard of Id’s WizType — Series: Wizard of Id, Type: Educational
1985
- King’s Quest II - Romancing the Throne — Series: King’s Quest, Type: Adventure
- Sierra Championship Boxing — Type: Sports Simulation
- Stunt Flyer — Type: Flight Simulation
- The Crimson Crown — Series: Transylvania, Type: Adventure
- Thexder — Series: Thexder, Type: Action
1986
- Arcticfox — Stellar 7 Series — Tank Simulation / First-Person Shooter
- Kempelen — Type: Strategy
- King’s Quest III - To Heir Is Human — Series: King’s Quest, Type: Adventure
- Space Quest - The Sarien Encounter — Series: Space Quest, Type: Adventure
- The Black Cauldron — Type: Adventure
- Wrath of Denethenor — Type: Role-Playing Game
1987
- 3-D Helicopter Simulator — Type: Simulation
- Leisure Suit Larry in the Land of the Lounge Lizards — Series: Leisure Suit Larry, Type: Adventure
- Mixed-Up Mother Goose — Series: Mixed-Up Mother Goose, Type: Educational Adventure
- Police Quest - In Pursuit of the Death Angel — Series: Police Quest, Type: Adventure
- Skyfox II - The Cygnus Conflict — Skyfox — Space Combat Simulation
- Space Quest II - Vohaul’s Revenge — Series: Space Quest, Type: Adventure
- The Ancient Art of War at Sea — Series: The Ancient Art of War, Type: Real-Time Strategy
1988
- 20000 Leagues Under the Sea — Type: Adventure
- African Raiders-01 — Type: Racing
- Gold Rush — Type: Adventure
- King’s Quest IV - The Perils of Rosella — Series: King’s Quest, Type: Adventure
- Leisure Suit Larry Goes Looking for Love (in Several Wrong Places) — Series: Leisure Suit Larry, Type: Adventure
- Manhunter - New York — Series: Manhunter, Type: Adventure
- Police Quest II - The Vengeance — Series: Police Quest, Type: Adventure
- Silpheed — Type: Vertical Scrolling Shooter
1989
- A-10 Tank Killer — Series: A-10 Tank Killer, Type: Flight Simulation
- After Dark — Series: After Dark, Type: Screensaver/Puzzle Collection
- Asterix - Operation Getafix — Series: Asterix, Type: Action-Adventure
- Caveman Ugh-lympics — Sports
- Codename - Iceman — Series: Codename (standalone), Type: Adventure
- David Wolf - Secret Agent — Series: David Wolf, Type: Action
- Deathtrack — Death Track — Racing / Combat
- ESS - European Space Simulator — Series: E.S.S., Type: Simulation
- Emmanuelle — Series: Emmanuelle (loosely), Type: Adventure
- Fire Hawk - Thexder - The Second Contact — Series: Thexder, Type: Run and Gun / Shooter
- Hoyle Official Book of Games - Volume 1 — Series: Hoyle, Type: Card Games
- Indianapolis 500 - The Simulation — Indianapolis 500 — Racing Simulation
- Legend of Djel — Series: Ween, Type: Adventure
- Leisure Suit Larry III - Passionate Patti in Pursuit of the Pulsating Pectorals — Series: Leisure Suit Larry, Type: Adventure
- Manhunter - San Francisco — Series: Manhunter, Type: Adventure
- Project Firestart — Survival Horror
- Quest for Glory I - So You Want to Be a Hero — Series: Quest for Glory, Type: Adventure
- Space Quest III - The Pirates of Pestulon — Series: Space Quest, Type: Adventure
- Tank - The M1A1 Abrams Battle Tank Simulation — Series: Electronic Battlefield System, Type: Vehicle Simulation
- The Colonel’s Bequest — Series: Laura Bow, Type: Adventure
- Urban Justice — Series: SWAT, Type: Tactical First-Person Shooter
1990s: The Golden Age
Sierra’s peak decade. SCI engine games reached artistic heights, Dynamix and Impressions joined the family, and Sierra expanded into simulations, strategy, and online gaming. Over 260 releases this decade.
1990
- Conquests of Camelot - The Search for the Grail — Series: Conquests, Type: Adventure
- Cougar Force — Type: Action
- F-14 Tomcat — Flight Simulation
- Galactic Empire — Series: Galactic Saga, Type: Strategy
- Geisha — Type: Adventure
- Hoyle Official Book of Games - Volume 2 — Series: Hoyle Official Book of Games, Type: Card/Tile
- King’s Quest V - Absence Makes the Heart Go Yonder — Series: King’s Quest, Type: Adventure
- Mixed-Up Mother Goose (SCI Remake) — Series: Mixed-Up, Type: Adventure/Educational
- Oils Well — Type: Action
- Quest for Glory II - Trial by Fire — Series: Quest for Glory, Type: Adventure
- Red Baron — Series: Red Baron, Type: Flight Simulation
- Rise of the Dragon — Series: Dynamix Adventures, Type: Adventure
- Roberta Williams’ King’s Quest I - Quest for the Crown — Series: King’s Quest, Type: Adventure
- Stellar 7 — Series: Stellar 7, Type: Tank Simulation / Shooter
- Zeliard — Type: Action RPG
1991
- A-10 Tank Killer v1.5 — Series: A-10 Tank Killer Series, Type: Flight Simulation
- A.G.E. — Series: Galactic Empire, Type: Action Simulation
- Castle of Dr. Brain — Series: Dr. Brain, Type: Educational Puzzle
- Cohort Fighting for Rome — Series: Cohort, Type: Strategy/Tactics
- Conquests of the Longbow - The Legend of Robin Hood — Series: Conquests, Type: Adventure
- E.S.S. Mega — Series: E.S.S., Type: Simulation
- EcoQuest - The Search for Cetus — Series: EcoQuest, Type: Educational Adventure
- Fascination — Type: Adventure
- Fort Apache — Series: Micro Miniatures, Type: Strategy
- Gobliiins — Series: Gobliiins, Type: Adventure/Puzzle
- Heart of China — Series: Dynamix Adventures, Type: Adventure
- Hoyle Official Book of Games - Volume 3 — Series: Hoyle Official Book of Games, Type: Board Games
- Hoyle Official Book of Games - Volume 4 — Series: Hoyle, Type: Card/Strategy
- Jones in the Fast Lane — Type: Life Simulation
- Leisure Suit Larry 1 - In the Land of the Lounge Lizards (VGA) — Series: Leisure Suit Larry, Type: Adventure
- Leisure Suit Larry 5 - Passionate Patti Does a Little Undercover Work — Series: Leisure Suit Larry, Type: Adventure
- Merchant Colony — Type: Strategy/Business Simulation
- Mixed-Up Fairy Tales — Series: Mixed-Up, Type: Adventure
- More After Dark — Series: After Dark, Type: Action
- Nova 9 - The Return of Gir Draxon — Series: Stellar 7, Type: Action
- Police Quest III - The Kindred — Series: Police Quest, Type: Adventure
- Space Quest I - Roger Wilco in the Sarien Encounter — Series: Space Quest, Type: Adventure
- Space Quest IV - Roger Wilco and the Time Rippers — Series: Space Quest, Type: Adventure
- The Adventures of Willy Beamish — Type: Adventure
- The Charge of the Light Brigade — Series: Micro Miniatures, Type: Strategy/Tactics
- V for Victory - D-Day Utah Beach — Series: V for Victory, Type: Turn-Based Strategy Wargame
1992
- A.J.’s World of Discovery — Series: Adibou, Type: Educational
- Aces of the Pacific — Series: Aces Series, Type: Flight Simulation
- Air Bucks — Series: Bucks, Type: Business Simulation
- Air Force Commander — Series: Air Force Commander, Type: Strategy/Simulation
- Bargon Attack — Type: Adventure
- Conquest of Japan — Type: Strategy
- Crazy Nick’s Software Picks - King Graham’s Board Game Challenge — Type: Board Game
- Crazy Nick’s Software Picks - Leisure Suit Larry’s Casino — Series: Leisure Suit Larry, Type: Casino/Gambling
- Crazy Nick’s Software Picks - Parlor Games with Laura Bow — Series: Laura Bow, Type: Board game
- Crazy Nick’s Software Picks - Robin Hood’s Games of Skill and Chance — Type: Action
- Crazy Nick’s Software Picks - Roger Wilco’s Spaced Out Game Pack — Type: Action
- Discovery - In the Steps of Columbus — Type: Strategy
- Front Page Sports Football 92 — Series: Front Page Sports, Type: Sports Simulation
- Gobliins 2 - The Prince Buffoon — Series: Gobliiins, Type: Puzzle Adventure
- Hoyle Bridge — Series: Hoyle, Type: Card Game
- Inca — Series: Inca, Type: Adventure/Action
- King’s Quest VI - Heir Today, Gone Tomorrow — Series: King’s Quest, Type: Adventure
- Police Quest - In Pursuit of the Death Angel VGA — Series: Police Quest, Type: Adventure
- Quarky & Quaysoo’s Turbo Science — Series: Sierra Discovery Series, Type: Educational / Puzzle / Racing
- Quest for Glory I - So You Want to Be a Hero VGA — Series: Quest for Glory, Type: Adventure / RPG Hybrid
- Quest for Glory III - Wages of War — Series: Quest for Glory, Type: Adventure
- Red Baron - Mission Builder — Series: Red Baron, Type: Combat Flight Simulation
- Take a Break! Crosswords — Series: Take a Break!, Type: Puzzle
- The Dagger of Amon Ra — Series: Laura Bow, Type: Adventure
- The Incredible Machine — Series: The Incredible Machine, Type: Puzzle
- The Island of Dr. Brain — Series: Dr. Brain, Type: Educational
- The Shadow of Yserbius — Series: Shadow of Yserbius, Type: Role-Playing Game
- Ween - The Prophecy — Series: Gobliiins, Type: Adventure
1993
- Aces Over Europe — Series: Aces, Type: Flight Simulator
- Betrayal at Krondor — Series: Krondor, Type: Role-Playing Game
- Caesar — Series: Caesar, Type: City Building
- Cohort II - Fighting for Rome — Series: Cohort, Type: Strategy / Tactics
- EcoQuest - Lost Secret of the Rainforest — Series: EcoQuest, Type: Adventure
- Fates of Twinion — Series: Shadow of Yserbius, Type: RPG
- Freddy Pharkas - Frontier Pharmacist — Series: Freddy Pharkas, Type: Adventure
- Front Page Sports - Football Pro — Series: Front Page Sports, Type: Sports Simulation
- Gabriel Knight - Sins of the Fathers — Series: Gabriel Knight, Type: Adventure
- Global Domination — Type: Strategy
- Goblins Quest 3 — Series: Gobliiins, Type: Puzzle Adventure
- Hoyle Official Book of Games - Volume 5 — Series: Hoyle, Type: Puzzle/Card Game
- Inca II - Wiracocha — Series: Inca II, Type: Adventure
- IndyCar Racing — Series: IndyCar Racing, Type: Racing Simulation
- Kids’ Typing — Series: Talking Tutor, Type: Educational
- Leisure Suit Larry 6 - Shape Up or Slip Out! — Series: Leisure Suit Larry, Type: Adventure
- Lost in Time — Series: Standalone (Doralice duology), Type: Adventure
- Pepper’s Adventures in Time — Type: Educational Adventure
- Police Quest - Open Season — Series: Police Quest, Type: Adventure
- Quest for Glory IV - Shadows of Darkness — Series: Quest for Glory, Type: Adventure
- Ready Set Read with Bananas Jack — Series: Sierra Discovery Series, Type: Edutainment
- Sid & Al’s Incredible Toons — Series: The Incredible Machine, Type: Puzzle
- Slater & Charlie Go Camping — Series: Educational Interactive Storybooks, Type: Educational
- Space Quest V - The Next Mutation — Series: Space Quest, Type: Adventure
- Spelling Jungle — Series: Super Solvers, Type: Educational
- Stellar 7 - Draxon’s Revenge — Series: Stellar 7, Type: Action
- Stellar-Fire — Series: Stellar 7, Type: Action/Simulation
- Take a Break! Pinball — Series: Take a Break!, Type: Pinball
- The Beverly Hillbillies — Adventure
- The Even More Incredible Machine — Series: The Incredible Machine, Type: Puzzle
- Turbo Learning - Mega Math — Series: Turbo Learning, Type: Educational
- WW2 Air Force Commander — Series: Air Force Commander, Type: Strategy / War Simulation
1994
- Aces of the Deep — Series: Aces Series, Type: Simulation
- Alien Legacy — Type: Real-time strategy
- Battle Bugs — Type: Real-Time Tactics
- Bouncers — Type: Sports
- Detroit — Type: Business Simulation
- Front Lines — Type: Turn-based Strategy
- Front Page Sports - Baseball Pro — Series: Front Page Sports, Type: Sports
- Front Page Sports - Football Pro ‘95 — Series: Front Page Sports, Type: Sports Simulation
- King’s Quest VII - The Princeless Bride — Series: King’s Quest, Type: Adventure
- Lords of the Realm — Series: Lords of the Realm, Type: Strategy
- Metaltech - Battledrome — Series: Metaltech, Type: Simulation / Mech Combat
- Metaltech - Earthsiege — Series: Metaltech, Type: Simulation
- Metaltech - Earthsiege Speech Pack — Series: Earthsiege
- NASCAR Racing — Series: NASCAR Racing, Type: Racing Simulation
- Outpost — Series: Outpost, Type: Strategy/City-Building Simulation
- Playtoons 1 - Uncle Archibald — Series: Playtoons, Type: Edutainment/Interactive Book
- Sierra Soccer - World Challenge Edition — Type: Sports
- Spelling Blizzard — Series: Spelling Jungle, Type: Educational
- The Incredible Machine 2 — Series: The Incredible Machine, Type: Puzzle
- The Incredible Toon Machine — Series: The Incredible Machine, Type: Puzzle
1995
- 3-D Ultra Pinball — Series: 3-D Ultra Pinball, Type: Pinball Simulation
- Air Cavalry
- Breach 3 — Series: Breach, Type: Real-Time Tactics
- Caesar II — Series: Caesar, Type: City Building Strategy
- Casino De Luxe — Series: Casino Deluxe, Type: Casino / Gambling Simulation
- Command Aces of the Deep — Series: Aces, Type: Submarine Simulation
- Conqueror - A.D. 1086 — Type: Strategy/RPG/Action
- Fast Attack - High Tech Submarine Warfare — Type: Simulation
- Front Page Sports - Football Pro ‘96 — Series: Front Page Sports, Type: Sports Simulation
- High Seas Trader — Type: Naval Strategy/Trading Simulation
- Hoyle Solitaire — Series: Hoyle, Type: Puzzle / Card Game
- IndyCar Racing II — Series: IndyCar Racing, Type: Racing Simulation
- Metaltech - Earthsiege Expansion Pack — Series: Earthsiege
- Mixed-Up Mother Goose Deluxe — Series: Mixed-Up Mother Goose, Type: Educational Adventure
- Phantasmagoria — Series: Phantasmagoria, Type: Adventure
- Playtoons 2 - The Case of the Counterfeit Collaborator — Series: Playtoons, Type: Interactive Storybook
- Playtoons 3 - The Secret of the Castle — Series: Playtoons, Type: Creativity / Interactive Storybook
- Playtoons 4 - The Mandarine Prince — Series: Playtoons, Type: Adventure
- Police Quest - SWAT — Series: Police Quest / SWAT, Type: Tactical Simulation
- Powerhouse — Type: Strategy / Business Simulation
- Shannara — Series: Shannara (standalone), Type: Adventure
- Shivers — Series: Shivers, Type: Adventure
- Space Quest 6 - Roger Wilco in the Spinal Frontier — Series: Space Quest, Type: Adventure
- The Beast Within - A Gabriel Knight Mystery — Series: Gabriel Knight, Type: Adventure
- The Bizarre Adventures of Woodruff and the Schnibble — Series: Standalone (Gobliiins spiritual successor), Type: Adventure
- The Incredible Machine 3.0 — Series: The Incredible Machine, Type: Puzzle
- The Last Dynasty — Type: Action-Adventure / Space Combat Simulation
- The Lost Mind of Dr. Brain — Series: Dr. Brain, Type: Educational Puzzle
- The Ruins of Cawdor — Series: The Sierra Network MUD Trilogy, Type: Role-Playing Game
- Thexder 95 — Series: Thexder, Type: Action
- Torin’s Passage — Type: Point-and-click Adventure
- Trophy Bass — Series: Trophy Bass, Type: Sports Simulation
- Ultimate Soccer Manager — Series: Ultimate Soccer Manager, Type: Sports Management Simulation
1996
- 3-D Ultra Pinball - Creep Night — Series: 3-D Ultra Pinball, Type: Pinball
- Adiboo - Magical Playland — Series: Adiboo, Type: Edutainment
- Arthur to Astaroth no Nazo Makaimura - Incredible Toons — Type: Puzzle
- Birthright - The Gorgon’s Alliance — Series: Birthright, Type: Strategy/RPG
- Casino Deluxe 2 — Series: Casino Deluxe, Type: Gambling Simulation
- CyberGladiators — Type: Fighting
- Earthsiege 2 — Series: Earthsiege, Type: Mech Simulation
- Front Page Sports - Baseball Pro ‘96 — Series: Front Page Sports, Type: Sports Simulation
- Front Page Sports - Football Pro ‘97 — Series: Front Page Sports, Type: Sports Simulation
- Front Page Sports - Trophy Bass 2 — Series: Front Page Sports, Type: Sports
- Hoyle Blackjack — Series: Hoyle, Type: Card Game
- Hoyle Casino — Series: Hoyle, Type: Casino Simulation
- Hunter Hunted — Series: K.A.A. (Kill All Aliens), Type: Action Platformer
- Leisure Suit Larry 7 - Love for Sail — Series: Leisure Suit Larry, Type: Adventure
- Lighthouse - The Dark Being — Series: Lighthouse, Type: Adventure
- Lords of the Realm II — Series: Lords of the Realm, Type: Strategy
- MissionForce - Cyberstorm — Series: Earthsiege/Starsiege, Type: Strategy
- NASCAR Racing 2 — Series: NASCAR Racing, Type: Racing Simulation
- Phantasmagoria - A Puzzle of Flesh — Series: Phantasmagoria, Type: Adventure
- Power Chess — Series: Power Chess, Type: Chess
- Rama — Series: Rama, Type: Adventure
- Robert E. Lee - Civil War General — Series: Civil War Generals, Type: Turn-based Strategy
- Silent Thunder - A-10 Tank Killer II — Series: A-10 Tank Killer, Type: Flight Simulation
- Space Bucks — Type: Strategy/Business Simulation
- Stay Tooned! — Type: Adventure
- The Realm Online — Type: MMORPG
- The Rise & Rule of Ancient Empires — Type: 4X
- The Time Warp of Dr. Brain — Series: Dr. Brain, Type: Educational Puzzle
- Ultimate Soccer Manager 2 — Series: Ultimate Soccer Manager, Type: Sports Management
- Urban Runner — Series: Lost in… (spiritual), Type: Adventure
1997
- 3-D Ultra MiniGolf — Series: 3D Ultra, Type: Sports
- 3-D Ultra Pinball - The Lost Continent — Series: 3-D Ultra Pinball, Type: Pinball
- Betrayal in Antara — Series: Krondor Series, Type: Role-Playing Game
- CART Racing — Series: IndyCar Racing, Type: Racing Simulation
- Civil War Generals 2 - Grant–Lee–Sherman — Series: Civil War Generals, Type: Strategy
- Diablo - Hellfire — Series: Diablo, Type: Action RPG / Hack & Slash
- Driver’s Education ‘98 — Type: Educational / Driving Simulation
- Eat My Dust — Type: Racing
- Front Page Sports - Baseball Pro ‘98 — Series: Front Page Sports Baseball, Type: Sports Simulation
- Front Page Sports - Football Pro ‘98 — Series: Front Page Sports, Type: Sports Simulation
- Front Page Sports - Golf — Series: Front Page Sports, Type: Golf Simulation
- Front Page Sports - Ski Racing — Series: Front Page Sports, Type: Sports Simulation
- Front Page Sports - Trophy Rivers — Series: Front Page Sports, Type: Sports Simulation / Educational
- Front Page Sports Golf - Tour Course Add-On — Series: Front Page Sports, Type: Sports Simulation
- Hoyle Classic Card Games — Series: Hoyle, Type: Card Games
- Hoyle Poker — Series: Hoyle Casino, Type: Cards / Gambling
- Lords of Magic — Series: Lords of the Realm, Type: Fantasy Strategy
- Lords of the Realm II - Siege Pack — Series: Lords of the Realm, Type: Strategy
- NASCAR Racing 2 - Grand National Series Expansion — Series: NASCAR Racing, Type: Racing Simulation
- Outpost 2 - Divided Destiny — Series: Outpost, Type: Real-Time Strategy
- Red Baron II — Series: Red Baron, Type: Flight Simulation
- Shivers Two - Harvest of Souls — Series: Shivers, Type: Adventure
- Sierra Pro Pilot 98 — Series: Pro Pilot, Type: Flight Simulation
1998
- 3-D Ultra MiniGolf Deluxe — Series: 3D Ultra, Type: Sports
- 3-D Ultra NASCAR Pinball — Series: 3-D Ultra Pinball, Type: Pinball
- After Dark Games — Series: After Dark, Type: Puzzle/Mini-Games Collection
- Caesar III — Series: Caesar, Type: City Building Strategy
- Cyberstorm 2 - Corporate Wars — Series: Cyberstorm, Type: Strategy
- Dr. Brain Thinking Games - IQ Adventure — Series: Dr. Brain, Type: Educational
- Dr. Brain Thinking Games - Puzzle Madness — Series: Dr. Brain, Type: Educational Puzzle
- Grand Prix Legends — Series: Papyrus Racing Simulations, Type: Racing Simulation
- Half-Life — Series: Half-Life, Type: First-Person Shooter
- Head Rush — Type: Trivia / Quiz
- Hoyle Battling Ships and War — Series: Hoyle, Type: Strategy/Board Game
- Hoyle Classic Board Games — Series: Hoyle, Type: Board Games
- King’s Quest - Mask of Eternity — Series: King’s Quest, Type: Action-Adventure
- Lords of Magic - Special Edition — Series: Lords Series, Type: Strategy
- PGA Championship Golf — Series: PGA Championship Golf, Type: Sports Simulation
- Police Quest - SWAT 2 — Series: Police Quest / SWAT, Type: Real-Time Tactics
- Power Chess 98 — Series: Power Chess, Type: Chess
- Quest for Glory V - Dragon Fire — Series: Quest for Glory, Type: Action role-playing
- Red Baron 3D — Series: Red Baron, Type: Flight Simulation
- Return to Krondor — Series: Krondor, Type: Role-Playing Game
- Sierra Pro Pilot ‘99 — Series: Pro Pilot, Type: Flight Simulation
- Sierra Pro Pilot USA — Series: Pro Pilot, Type: Flight Simulator
- Sierra Sports - Bass Fishing — Series: Trophy Bass, Type: Sports
- Sierra Sports Skiing 1999 Edition — Series: Front Page Sports, Type: Sports Simulation
- Starsiege - Tribes — Series: Starsiege, Type: First-Person Shooter
- Ultimate Soccer Manager 98 — Series: Ultimate Soccer Manager, Type: Sports Management Simulation
1999
- 3-D Ultra Cool Pool — Series: 3-D Ultra, Type: Billiards/Sports
- 3-D Ultra Lionel TrainTown — Series: 3D Ultra, Type: Puzzle
- 3-D Ultra Pinball - Power — Series: 3-D Ultra Pinball, Type: Pinball Compilation
- 3-D Ultra Radio Control Racers — Series: 3-D Ultra, Type: Racing
- Curse You! Red Baron — Series: Red Baron, Type: Flight Simulation
- Dr. Brain - Action Reaction — Series: Dr. Brain, Type: Educational Puzzle
- Field & Stream - Trophy Bass 3D — Series: Trophy Bass, Type: Sports/Simulation
- Front Page Sports - Ski Racing 99 — Series: Front Page Sports, Type: Sports Simulation
- Gabriel Knight 3 - Blood of the Sacred, Blood of the Damned — Series: Gabriel Knight, Type: Adventure
- Half-Life - Opposing Force — Series: Half-Life, Type: First-Person Shooter
- Homeworld — Series: Homeworld, Type: Real-time Strategy
- Hoyle Backgammon and Cribbage — Series: Hoyle, Type: Board/Card Game
- Hoyle Casino — Series: Hoyle Casino, Type: Casino Simulation
- Hoyle Word Games — Series: Hoyle, Type: Puzzle
- NASCAR Craftsman Truck Series Racing — Series: NASCAR Racing, Type: Racing Simulation
- NASCAR Legends — Series: NASCAR Racing, Type: Racing Simulation
- NASCAR Racing 3 — Series: NASCAR Racing, Type: Racing Simulation
- PGA Championship Golf 1999 Edition — Series: PGA Championship Golf, Type: Sports Simulation
- Pharaoh — Series: Impressions City Building Series, Type: City-building simulation
- Power Chess 2.0 — Series: Power Chess, Type: Chess
- Professional Bull Rider — Series: Professional Bull Rider, Type: Sports
- SWAT 3 - Close Quarters Battle — Series: Police Quest / SWAT, Type: Tactical First-Person Shooter
- Starsiege — Series: Earthsiege / Metaltech, Type: Vehicle Simulation / Mech Combat
- Team Fortress Classic — Series: Team Fortress, Type: First-Person Shooter
- Ultimate Soccer Manager 98-99 — Series: Ultimate Soccer Manager, Type: Sports Management Simulation
2000s: Corporate Transitions
Sierra was acquired by Vivendi, then absorbed into Activision. Adventure game development ended, but Valve titles thrived and city builders continued. Fan projects began filling the void.
2000
- 3-D Ultra Lionel TrainTown Deluxe — Series: 3D Ultra, Type: Puzzle
- 3-D Ultra Pinball - Thrill Ride — Series: 3-D Ultra Pinball, Type: Pinball Simulation
- 3-D Ultra Radio Control Racers Deluxe - Traxxas Edition — Series: 3-D Ultra, Type: Racing
- Cleopatra - Queen of the Nile — Series: Pharaoh, Type: City-building simulation
- Counter-Strike — Series: Counter-Strike, Type: Tactical First-Person Shooter
- Field & Stream - Trophy Bass 4 — Series: Trophy Bass, Type: Sports Simulation
- Ground Control — Series: Ground Control, Type: Real-time tactics
- Ground Control - Dark Conspiracy — Series: Ground Control, Type: Real-Time Tactics
- Gunman Chronicles — Type: First-Person Shooter
- Homeworld - Cataclysm — Series: Homeworld, Type: Real-Time Strategy
- Hoyle Casino — Series: Hoyle, Type: Gambling
- Hoyle Crosswords — Series: Hoyle, Type: Puzzle
- Hoyle Kids Games — Series: Hoyle Series, Type: Board and Card Games
- Hoyle Slots and Video Poker — Series: Hoyle Series, Type: Casino & Card Games
- Hoyle Solitaire and Mahjong Tiles — Series: Hoyle Series, Type: Board games
- Maximum Pool — Series: 3D Ultra, Type: Sports/Pool
- No One Lives Forever — Series: No One Lives Forever, Type: First-Person Shooter/Stealth
- PGA Championship Golf 2000 — Series: PGA Championship Golf, Type: Sports
- PGA Championship Golf 2000 - Titanium Edition — Series: PGA Championship Golf series, Type: Sports
- Return of The Incredible Machine - Contraptions — Series: The Incredible Machine, Type: Puzzle
- Ricochet — Series: Half-Life, Type: Action
- Zeus - Master of Olympus — Series: City Building Series, Type: City-building simulation
2001
- Arcanum — Series: Arcanum, Type: Role-Playing
- Deathmatch Classic — Series: Half-Life, Type: First-Person Shooter
- Empire Earth — Series: Empire Earth, Type: Real-Time Strategy
- Half-Life - Blue Shift — Series: Half-Life, Type: First-Person Shooter
- Hoyle Board Games — Series: Hoyle Board Games, Type: Board Game Compilation
- Hoyle Casino — Series: Hoyle Casino, Type: Casino & Card Games
- Hoyle Kids Games — Series: Hoyle Games, Type: Strategy/Puzzle
- Hoyle Word Games — Series: Hoyle, Type: Puzzle
- King’s Quest I VGA Remake (Fan) — Series: King’s Quest, Type: Adventure
- NASCAR Racing 4 — Series: NASCAR Racing, Type: Racing Simulation
- PGA Championship Golf - Collector’s Edition — Series: PGA Championship Golf, Type: Sports Simulation
- Poseidon - Master of Atlantis — Series: City Building Series, Type: City-building
- Space Quest - The Lost Chapter (Fan) — Series: Space Quest (Fan Game), Type: Adventure
- The Incredible Machine - Even More Contraptions — Series: The Incredible Machine, Type: Puzzle
- Tribes 2 — Series: Starsiege, Type: First-person shooter
2002
- Emperor - Rise of the Middle Kingdom — Series: City Building Series, Type: City-Building Strategy
- Empire Earth - The Art of Conquest — Series: Empire Earth, Type: Real-Time Strategy
- Hoyle Card Games — Series: Hoyle Card Games, Type: Card Games
- Hoyle Casino Empire — Series: Hoyle Casino, Type: Casino Simulation
- Hoyle Puzzle Games — Series: Hoyle Series, Type: Puzzle
- King’s Quest II+ - Romancing the Stones (Fan) — Series: King’s Quest, Type: Adventure
- NASCAR Racing 2002 Season — Series: NASCAR Racing, Type: Racing Simulation
- No One Lives Forever 2 — Series: No One Lives Forever, Type: First-Person Shooter/Stealth
- Tribes - Aerial Assault — Series: Tribes, Type: First-Person Shooter
2003
- Adiboo - Paziral’s Secret — Series: Adibou, Type: Action
- Contract J.A.C.K. — Series: No One Lives Forever, Type: First-Person Shooter
- Homeworld 2 — Series: Homeworld, Type: Real-Time Strategy
- Hoyle Board Games — Series: Hoyle, Type: Board Games/Compilation
- Hoyle Card Games — Series: Hoyle, Type: Card Games
- Hoyle Casino — Series: Hoyle, Type: Casino Simulation
- Hoyle Majestic Chess — Series: Hoyle, Type: Chess / Strategy / Educational
- NASCAR Racing 2003 Season — Series: NASCAR Racing, Type: Racing Simulation
- SWAT - Global Strike Team — Series: SWAT, Type: Tactical Shooter
- Space Quest 0 - Replicated (Fan) — Series: Space Quest (Fan Game), Type: Adventure
2004
- Adiboo and the Energy Thieves — Series: Adiboo, Type: Educational Action-Adventure
- Counter-Strike - Condition Zero — Series: Counter-Strike, Type: First-Person Shooter
- Ground Control II - Operation Exodus — Series: Ground Control, Type: Real-time tactics
- Half-Life 2 — Series: Half-Life, Type: First-Person Shooter
- Hoyle Casino — Series: Hoyle, Type: Casino/Gambling
- Hoyle Puzzle Games — Series: Hoyle, Type: Puzzle
- Hoyle Table Games — Series: Hoyle, Type: Board Game
- Leisure Suit Larry - Magna Cum Laude — Series: Leisure Suit Larry, Type: Action-Adventure
- Lords of the Realm III — Series: Lords of the Realm, Type: Real-Time Strategy
2005
- Hoyle Board Games — Series: Hoyle, Type: Strategy / Board Games
- Hoyle Card Games — Series: Hoyle Card Games, Type: Card Game
- Hoyle Casino 3D — Series: Hoyle Casino, Type: Gambling/Casino Simulation
- Hoyle Poker Series — Series: Hoyle, Type: Card Game
- Hoyle Puzzle and Board Games — Series: Hoyle, Type: Compilation
- Hoyle Texas Hold Em — Series: Hoyle, Type: Card & Board
- SWAT 4 — Series: SWAT, Type: Tactical First-Person Shooter
2006
- 3D Ultra MiniGolf Adventures — Series: 3D Ultra Minigolf, Type: Sports
- Al Emmo and the Lost Dutchman’s Mine — Series: Al Emmo, Type: Adventure
- Caesar IV — Series: Caesar, Type: City-building simulation
- Hoyle Casino — Series: Hoyle Casino, Type: Casino Simulation
- Hoyle Miami Solitaire — Series: Hoyle, Type: Card Game / Casino
- King’s Quest III Remake (Infamous Adventures) (Fan) — Series: King’s Quest, Type: Adventure
- SWAT 4 - The Stetchkov Syndicate — Series: SWAT, Type: Tactical Shooter
- SWAT Force — Series: Police Quest / SWAT, Type: Tactical Action
2007
- 3D Ultra Minigolf Adventures Deluxe — Series: 3-D Ultra Minigolf, Type: Sports
- Hoyle Casino — Series: Hoyle Casino, Type: Casino Simulation
- SWAT - Target Liberty — Series: Police Quest/SWAT, Type: Tactical Shooter
- World in Conflict — Series: World in Conflict, Type: Real-Time Tactics
2008
- Hoyle Card Games — Series: Hoyle, Type: Card Game / Board Game
- Hoyle Casino — Series: Hoyle Casino, Type: Gambling/Casino
- Hoyle Puzzle and Board Games — Series: Hoyle, Type: Puzzle/Board Game Compilation
- Quest for Glory II VGA Remake (Fan) — Series: Quest for Glory, Type: Adventure/RPG
- Red Baron Arcade — Series: Red Baron, Type: Arcade Flight Combat Simulator
2009
- Gobliiins 4 — Series: Gobliiins, Type: Adventure
- Leisure Suit Larry - Box Office Bust — Series: Leisure Suit Larry, Type: Action-Adventure
- Thexder Neo — Series: Thexder, Type: Action/Shooter
2010s: Fan Renaissance & Alumni Projects
Sierra as a development entity was gone, but fans kept classics alive with remakes. Sierra alumni launched spiritual successors through crowdfunding.
2010
- 3-D Ultra MiniGolf Adventures 2 — Series: 3D Ultra, Type: Sports
- Gray Matter — Type: Adventure
- The Silver Lining (Fan) — Type: Adventure
2011
- Hoyle Puzzle and Board Games — Series: Hoyle, Type: Puzzle
- Hoyle Swashbucklin Slots — Series: Hoyle, Type: Gambling
- JumpStart Advanced 3rd-5th Grade - Adventures of Dr. Brain — Series: Dr. Brain / JumpStart, Type: Edutainment
- King’s Quest III Redux - To Heir is Human (Fan) — Series: King’s Quest, Type: Adventure
- Space Quest - Vohaul Strikes Back (Fan) — Series: Space Quest, Type: Adventure
- Space Quest II VGA Remake (Fan) — Series: Space Quest, Type: Adventure
- The Incredible Machine (2011) — Series: The Incredible Machine, Type: Puzzle
2012
- Cognition - An Erica Reed Thriller — Series: Cognition, Type: Adventure
- Space Quest - Incinerations (Fan) — Series: Space Quest (Fan Game), Type: Adventure
2013
- Fester Mudd - Curse of the Gold — Series: Fester Mudd, Type: Adventure
- Leisure Suit Larry - Reloaded — Series: Leisure Suit Larry, Type: Adventure
2014
- Gabriel Knight - Sins of the Fathers – 20th Anniversary Edition — Series: Gabriel Knight, Type: Adventure
- Gold Rush Anniversary — Series: Gold Rush!, Type: Adventure
- Moebius - Empire Rising — Series: Moebius, Type: Point-and-Click Adventure
- Quest for Infamy — Type: Adventure/RPG
2015
- Cluck Yegger in Escape From The Planet of The Poultroid — Series: SpaceVenture, Type: Survival Horror / Parody
- Homeworld Remastered Collection — Series: Homeworld, Type: Real-Time Strategy
- Hoyle Official Card Games Collection — Series: Hoyle, Type: Card Game Simulation
- King’s Quest — Series: King’s Quest, Type: Adventure
2016
- Homeworld - Deserts of Kharak — Series: Homeworld, Type: Real-time strategy
- Hoyle Casino Games Collection — Series: Hoyle Casino, Type: Gambling/Casino
- Order of the Thorne - The King’s Challenge — Series: Order of the Thorne, Type: Adventure
2017
- Gold Rush 2 — Series: Gold Rush!, Type: Adventure
2018
- Hero-U - Rogue to Redemption — Series: Hero-U, Type: Adventure RPG
- Leisure Suit Larry - Wet Dreams Don’t Dry — Series: Leisure Suit Larry, Type: Adventure
2019
- Mage’s Initiation - Reign of the Elements — Type: Adventure/RPG
2020s: The Legacy Continues
Sierra alumni continue creating. Ken and Roberta Williams returned with Colossal Cave. The Coles released Summer Daze. Homeworld got a third installment.
2020
- Leisure Suit Larry - Wet Dreams Dry Twice — Series: Leisure Suit Larry, Type: Adventure
2021
- King’s Quest IV Retold (Fan) — Series: King’s Quest, Type: Adventure
2022
- SpaceVenture — Type: Adventure
2023
- Colossal Cave 3D Adventure — Type: Adventure
- Gobliiins 5 - The Morgloton Invasion — Series: Gobliiins, Type: Adventure
- Summer Daze - Tilly’s Tale — Series: Hero-U, Type: Visual Novel
2024
- Homeworld 3 — Series: Homeworld, Type: Real-Time Strategy
For cancelled games like Space Quest VII, King’s Quest IX, and Leisure Suit Larry 8, see Cancelled Games.