Sierra Entertainment

Developer 11 Publisher 123 IGDB

Status: Defunct
Founded: Founded Q1 1979
Country: United States

Sierra Entertainment, Inc. (formerly On-Line Systems and Sierra On-Line, Inc.) was an American video game developer and publisher. The company was founded in 1979 by Ken and Roberta Williams, and known for pioneering the graphic adventure game genre including the first such game, Roberta's Mystery House. The company is known for its graphical adventure game series King's Quest, Space Quest, Police Quest, Gabriel Knight, Leisure Suit Larry, and Quest for Glory.

Studios

Papyrus Design Group Sierra Northwest

Developed

Published