Sierra On-Line Inc.
- Fundado:
- 1979
- Ubicación:
- Fresno, California, U.S.
- Estado:
- Adquirido
- Sitio web:
- sierra.com (wiki)
- También conocido como:
- Sierra Entertainment (desde 2002 hasta el presente)
Los juegos más populares de la compañía en BestOldGames.net
- After Dark Games (1998) — Editor
- Caesar 2 (1995) — Editor
- Simpsons: Hit & Run, The (2003) — Editor
- 3-D Ultra Lionel TrainTown Deluxe (2000) — Editor
- Lode Runner: The Legend Returns (1994) — Editor
- Police Quest: In Pursuit of the Death Angel (1987) — Desarrollador, Editor
- Jones in the Fast Lane (1991) — Desarrollador, Editor
- Gabriel Knight: Sins of the Fathers (1993) — Desarrollador, Editor
- Aces of the Deep (1994) — Editor
- IndyCar Racing 2 (1996) — Editor
- NASCAR Racing 2003 Season (2003) — Editor
- The Incredible Machine 2 (1994) — Editor
- Aces over Europe (1993) — Editor
- Birthright: The Gorgon's Alliance (1996) — Editor
- Aliens Versus Predator 2: Gold Edition (2003) — Editor
- Quest for Glory 2: Trial by Fire (1990) — Desarrollador, Editor
- The Incredible Machine (1993) — Editor
- Aces of the Pacific (1992) — Editor
- Battle Bugs (1994) — Editor
- Alien Legacy (1994) — Editor
- Leisure Suit Larry (1987) — Desarrollador, Editor
- Goblins 3 (1993) — Editor
- Grand Prix Legends (1998) — Editor
- Gobliins 2: The Prince Buffoon (1992) — Editor
- Castle of Dr. Brain (1991) — Desarrollador, Editor
- Zeliard (1990) — Editor
- Viper Racing (1998) — Editor
- Mixed-Up Mother Goose (1991) — Desarrollador, Editor
- Black Cauldron, The (1986) — Desarrollador, Editor
- Ultimate Soccer Manager 2 (1996) — Editor
- 3-D Ultra Radio Control Racers (1999) — Editor
- Detroit (1994) — Editor
- NASCAR Racing 2 (1996) — Editor
- King's Quest 1: Quest for the Crown (by Roberta Williams) (1990) — Desarrollador, Editor
- EcoQuest: The Search for Cetus (1991) — Desarrollador, Editor
- Space Quest: Chapter I - The Sarien Encounter (1986) — Desarrollador, Editor
- Ecoquest 2 - Lost Secret of the Rainforest (1993) — Desarrollador, Editor
- Manhunter: New York (1988) — Editor
- Thexder (1987) — Editor
- Manhunter 2: San Francisco (1989) — Editor
- Hoyle: Book of Games - Volume 3 (1991) — Desarrollador, Editor
- Hoyle: Book of Games - Volume 2: Solitaire (1990) — Desarrollador, Editor
- Hoyle: Book of Games - Volume 1 (1989) — Desarrollador, Editor
- Sid & Al's Incredible Toons (1993) — Editor
- Red Baron (1990) — Editor
- Half-Life (1998) — Editor
- Police Quest 2: The Vengeance (1988) — Desarrollador, Editor
- Leisure Suit Larry 6: Shape Up or Slip Out! (1993) — Desarrollador, Editor