Sierra Entertainment
ProfileSierra Entertainment, Inc. is an American video-game developer and publisher founded in 1979 as On-Line Systems by Ken and Roberta Williams. Based in Oakhurst, California and later in Fresno, California, the company is owned by Activision.
Games| Published Game | Date | Score | Platform |
|---|---|---|---|
| Bourne Conspiracy, The | Jun 3, 2008 | 81 |  
|
| Half-Life | Nov 19, 1998 | - | 
|
| King's Quest | Jul 28, 2015 | - |    
|
| TimeShift | Oct 30, 2007 | - |
|
| Velocity 2X | Sep 2, 2014 | 78 | |
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