Abandonware DOS title

The most popular Engine: Sierra's Creative Interpreter (SCI) games

The Sierra's Creative Interpreter (SCI) engine was a game engine developed by Sierra On-Line, a prominent game developer and publisher in the 1980s and 1990s. SCI was used to create a variety of graphic adventure games, including classics like the King's Quest series, Space Quest series, and Quest for Glory series, among others.

The SCI engine represented a significant advancement in game development technology at the time of its introduction. It allowed for more sophisticated graphics, sound, and user interface elements compared to Sierra's earlier AGI (Adventure Game Interpreter) engine. SCI games typically featured point-and-click interfaces, animated sprites, and sometimes digitized sound effects and speech.

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Freddy Pharkas: Frontier Pharmacist

DOSWindows XP/98/95Windows 3.xMac OS1993protected4.2/5 Sierra On-Line
Freddy Pharkas: Frontier Pharmacist is a comedy point & click adventure game set in the old American West designed by Al Lowe and Josh Mandel, developed and released by Sierra On-Line in 1993 for DOS, Windows and Macintosh. Initially released on floppy, Freddy Pharkas was later re-released on CD-ROM as a new edition.
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Space Quest 3: The Pirates of Pestulon

DOSMac OS1989protected3.9/5 Sierra On-Line
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Castle of Dr. Brain

DOS19914/5 Sierra On-Line
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Space Quest 6: Roger Wilco in The Spinal Frontier

DOSWindows XP/98/951995protecteddemo4/5 Sierra On-Line
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Crazy Nick's Parlor Games with Laura Bow

DOS19923.4/5 Sierra On-Line
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Conquests of Camelot: The Search for the Grail

DOS19903.9/5 Sierra On-Line
Conquests of Camelot: The Search for the Grail is an old DOS point and click adventure game designed by Christy Marx, developed and published by Sierra On-Line in 1990. As the title implies, Conquests of Camelot setting is based on the Arthurian legends.