Game Engine: Sierra's Creative Interpreter (SCI)

Group Description

Because Sierra's previous AGI engine had been initially conceived for the PCjr, it found itself under-equipped to take advantage of a hardware revolution several years later, allowing expanded graphics and sound capabilities. Jeff Stephenson was therefore called upon to provide a game-making framework for current and future markets. This resulted in an object-oriented scripting language, initially entitled the LSCI (Large-model Script Code Interpreter), that was soon re-titled as Sierra's Creative Interpreter.

SCI was in continuous development for eight years, with five major versions, from 1988 to 1996.
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Game Titlesorted in ascending orderYearPlatformPublisherUser Score
King's Quest IV: The Perils of Rosella1988Amiga, Apple II, Apple IIgs, Atari ST, DOSSierra On-Line, Inc.3.93
Police Quest 2: The Vengeance1988Amiga, Atari ST, DOS, PC-98Sierra On-Line, Inc.3.81
Leisure Suit Larry Goes Looking for Love (In Several Wrong Places)1988Amiga, Atari ST, DOSSierra On-Line, Inc.3.74
Code-Name: Iceman1989Amiga, Atari ST, DOS, WindowsSierra On-Line, Inc.3.45
The Colonel's Bequest1989Amiga, Atari ST, DOS, WindowsSierra On-Line, Inc.3.73
Space Quest III: The Pirates of Pestulon1989Amiga, Atari ST, DOS, MacintoshSierra On-Line, Inc.4.03
Hoyle: Official Book of Games - Volume 11989Amiga, Atari ST, DOS, MacintoshSierra On-Line, Inc.4.04
Hero's Quest: So You Want to Be a Hero1989Amiga, Atari ST, DOS, PC-98Sierra On-Line, Inc.3.96
Leisure Suit Larry III: Passionate Patti in Pursuit of the Pulsating Pectorals1989Amiga, Atari ST, DOSSierra On-Line, Inc.3.87
King's Quest V: Absence Makes the Heart Go Yonder!1990Amiga, DOS, FM Towns, Macintosh, PC-98, Windows 3.xSierra On-Line, Inc.3.94
Leisure Suit Larry: Triple Pack1990Amiga, DOSSierra On-Line, Inc....
Hoyle: Official Book of Games - Volume 2: Solitaire1990Amiga, Atari ST, DOS, MacintoshSierra On-Line, Inc.4.41
Conquests of Camelot: The Search for the Grail1990Amiga, Atari ST, DOS, WindowsSierra On-Line, Inc.3.77
Quest for Glory II: Trial by Fire1990Amiga, DOSSierra On-Line, Inc.3.87
Roberta Williams' King's Quest I: Quest for the Crown1990Amiga, DOSSierra On-Line, Inc.3.60
Mixed-Up Mother Goose1991Amiga, DOSSierra On-Line, Inc.4.08
Jones in the Fast Lane1991DOSSierra On-Line, Inc.3.92
Conquests of the Longbow: The Legend of Robin Hood1991Amiga, DOS, WindowsSierra On-Line, Inc.3.90
Leisure Suit Larry 5: Passionate Patti Does a Little Undercover Work1991Amiga, DOS, MacintoshSierra On-Line, Inc.3.66
Hoyle: Official Book of Games - Volume 31991Amiga, DOSSierra On-Line, Inc.4.02
Space Quest IV: Roger Wilco and the Time Rippers1991Amiga, DOS, Macintosh, PC-98, Windows 3.xSierra On-Line, Inc.3.92
EcoQuest: The Search for Cetus1991DOSSierra On-Line, Inc.3.86
Police Quest 3: The Kindred1991Amiga, DOSSierra On-Line, Inc.3.78
Leisure Suit Larry 1: In the Land of the Lounge Lizards1991Amiga, DOS, MacintoshSierra On-Line, Inc.3.88
Castle of Dr. Brain1991Amiga, DOS, Macintosh, PC-98Sierra On-Line, Inc.4.13
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Selected Covers

The Colonel's Bequest DOS Front Cover
Front cover for The Colonel's Bequest

Selected Screenshots

Title screen
Screenshot from The Colonel's Bequest
Game group created by Pseudo_Intellectual (53738), additional games added to group by Patrick Bregger (166705), POMAH (42869), WildKard (12129), Sciere (469123), Scaryfun (15205) and 6⅞ of Nine (1354)