Sierra Entertainment
| Use attributes for filter ! | |
| Founded | Simi Valley |
|---|---|
| California | |
| United States | |
| Defunct | 2008 |
| Headquarters | Los Angeles |
| California | |
| United States | |
| Founders | Roberta Williams |
| Ken Williams | |
| Parent organizations | Activision Blizzard |
| Activision | |
| Vivendi | |
| Vivendi Games | |
| VG Treasury SAS | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1076833 |
About Sierra Entertainment
Sierra Entertainment, Inc. was an American video game developer and publisher. Founded in 1979 as On-Line Systems, by Ken and Roberta Williams, Sierra was known primarily for their graphic adventure game series such as King's Quest, Space Quest, Police Quest, Gabriel Knight, and Quest for Glory.
