Started by husband and wife team Ken and Roberta Williams, Sierra On-Line (formerly On-Line Systems) went on to revolutionize the adventure genre and become a truly powerful graphic adventure developer and publisher. It produced countless classics such as the King's Quest, Leisure Suit Larry and Gabriel Knight series before fading away into the bowels of the corporate world. Here are some of the most interesting Sierra offerings currently available on eBay:
The original King's Quest (PC). US, ends 4 Dec. 2011.
Laura Bow II: The Dagger of Amon Ra (PC). Worldwide, ends 6 Dec. 2011.
Jones in the Fast Lane (PC). Worldwide, ends 5 Dec. 2011.
Code-Name: Iceman (PC). Worldwide, ends 4 Dec. 2011.
Freddy Pharkas: Frontier Pharmacist (PC) . UK, ends 4 Dec. 2011.
Leisure Suit Larry Collection (PC). Worldwide, Buy It Now.
Gabriel Knight II: The Beast Within (PC). Worldwide, Buy It Now.
The excellent Sierra Award Winners (Mac). Worldwide, Buy It Now.
Phantasmagoria (PC). Worldwide, ends 6 Dec. 2011.
Conquests of Camelot (PC). Worldwide, Buy It Now.
Red Baron (Amiga). Worldwide, Buy it Now.
King's Quest III: To Heir is Human; the budget Kixx XL version (Atari ST). Worldwide, Buy It Now.