Sierra Entertainment, Inc. was an American video game developer and publisher founded in 1979 by Ken and Roberta Williams. The company is known for pioneering the graphic adventure game genre, including the first such game, Mystery House. It is known for its graphical adventure game series King's Quest, Space Quest, Police Quest, Gabriel Knight, Leisure Suit Larry, and Quest for Glory, and as the original publisher of Valve's Half-Life series.
Gobliiins is a puzzle adventure video game series, consisting of five entries, released by Coktel Vision for the Amiga, Atari ST, DOS, Macintosh, iOS and Windows platforms. The first three titles were released in the early 1990s, the fourth in 2009, and fifth in 2023. The visual look of the series and its characters were created by French artist Pierre Gilhodes, whose style was used in another game from Coktel Vision: Woodruff and the Schnibble of Azimuth.
King's Quest: Quest for the Crown is an adventure game developed by Sierra On-Line and published originally for the IBM PCjr in 1984 and later for several other systems between 1984 and 1989. The game was originally titled King's Quest; the subtitle was added to the games box art in the 1987 re-release, but did not appear in the game.
King's Quest II: Romancing the Throne is the second installment in the King's Quest series of graphic adventure games by Sierra On-Line. It was originally released in 1985 for PC DOS/PCjr, and later made available for the Apple II/IIGS, Atari ST, and Amiga. It uses the same AGI game engine as King's Quest I: Quest for the Crown and features King Graham as the player character. The title is a spoof of the 1984 film Romancing the Stone.
King's Quest III: To Heir Is Human is the third installment in the King's Quest series of graphic adventure games developed and released by Sierra On-Line in 1986. The game was originally released for the Apple II and PC DOS, and later ported to several other computer systems. It was the first title game in the series not to feature King Graham as the player character.
King's Quest IV: The Perils of Rosella is a graphic adventure game developed and released by Sierra On-Line for the MS-DOS, Amiga, Apple II, Apple IIGS, and Atari ST computers in 1988. The player takes on the role of Princess Rosella, daughter of King Graham of Daventry and the twin sister of Gwydion/Alexander, who must save her father and a good fairy and destroy an evil witch. Critically acclaimed, it was one of the first PC games to support a sound card.
King's Quest VI: Heir Today, Gone Tomorrow is a point-and-click adventure game, first released in 1992 as the sixth installment in the King's Quest series produced by Sierra On-Line. Written by Roberta Williams and Jane Jensen, King's Quest VI is widely recognized as the high point in the series for its landmark 3D graphic introduction movie and professional voice acting. King's Quest VI was programmed in Sierra's Creative Interpreter and was the last King's Quest game to be released on floppy disk. A CD-ROM version of the game was released in 1993, including more character voices, a slightly different opening movie and more detailed artwork and animation.
EcoQuest: The Search for Cetus is an educational adventure game developed by Sierra On-Line. The original concept was developed by Sierra VP of Creative Development, Bill Davis. The game designers are Jane Jensen and Gano Haine. The game was going to be ported to Amiga and Macintosh, but those releases never came out. A sequel, Lost Secret of the Rainforest, was released in 1993.
Roberta Williams' Mixed-Up Mother Goose is a computer game first released by Sierra On-Line in 1987. It is, in essence, an edutainment title, directed specifically at young gamers, as well as an adventure game. It was the first multimedia game released on CD-ROM in 1991. A second game in the series, Mixed-Up Fairy Tales, was released in 1991.
Leisure Suit Larry Goes Looking for Love (in Several Wrong Places) is the second game in the Leisure Suit Larry series of graphical adventure games, designed by Al Lowe and published by Sierra On-Line in 1988. Like its predecessor, Leisure Suit Larry in the Land of the Lounge Lizards, it was developed for multiple platforms, including MS-DOS, Atari ST and Amiga. It utilizes Sierra's Creative Interpreter (SCI0) engine, featuring 16-color EGA graphics and a mouse-based interface for movement. The story continues the exploits of Larry Laffer, who becomes stranded on a tropical island during an ill-fated vacation.
Police Quest: Open Season is a 1993 police procedural point-and-click adventure video game developed and published by Sierra On-Line. It is the fourth installment in the Police Quest series. Departing from the fictional setting of Lytton, California from the first three installments, Open Season follows police detective John Carey as he investigates a series of brutal murders in Los Angeles.
Torin's Passage is a point-and-click adventure game developed and published by Sierra On-Line in 1995. The game was designed by Al Lowe, author of the Leisure Suit Larry series.
Space Quest: Chapter I – The Sarien Encounter is a graphic adventure game, created by Scott Murphy and Mark Crowe, and released in October 1986 by Sierra On-Line. It is the first game in the Space Quest series, and sees players assume the role of a lowly janitor on a research ship, who becomes involved in stopping an alien race using a new form of technology for evil purposes.
Space Quest III: The Pirates of Pestulon is a 1989 graphic adventure game by Sierra On-Line, and the third game in the Space Quest series. Players assume the role of Roger Wilco, a lowly space janitor, who becomes involved in rescuing a pair of computer programmers from a sinister video game company. The game received positive reviews from critics, and contributed further to the series' commercial success for Sierra. A sequel, Space Quest IV, was released in 1991.
Pirates! Gold is a 1993 computer game, a remake to Sid Meier's 1987 release, Sid Meier's Pirates!
Wizard and the Princess is a graphic adventure game written for the Apple II and published in 1980 by On-Line Systems. It is the second installment in the Hi-Res Adventures series after Mystery House. Unlike its predecessor, which featured monochrome drawings, Wizard and the Princess introduced color graphics. Ports for the Atari 8-bit computers and Commodore 64 were released in 1982 and 1984 respectively. The 1982 self-booting disk version for IBM PC compatibles was renamed Adventure in Serenia.
Sid Meier's Railroad Tycoon Deluxe is part of the Railroad Tycoon series, and was released in 1993.
Stickybear is a fictional character created by Richard Hefter and an edutainment series starring the character headed by Optimum Resource. The character was a mascot of Weekly Reader Software, a division of Xerox Education Publications.
King's Quest III: To Heir Is Human is a fangame reimagining/retelling of Sierra Entertainment's King's Quest III: To Heir Is Human continuing from King's Quest II: Romancing the Stones. It was developed by AGD Interactive and released in February 2011 under fan license of Sierra Entertainment. It expands on the story of the original game, and continues the story of the villainous Father, introduced in the previous game. It introduces many new situations to the original King's Quest III. The game shares its title with the original version of the game. The term King's Quest III Redux appears in the files and the interface.
The Magic School Bus is a series of educational software video games developed by Music Pen and published by Microsoft via their Microsoft Home brand. The interactive adventures are part of the larger franchise and based with The Magic School Bus original series books and public television series.
