All Games by Sierra Entertainment
Sierra Entertainment / SuperVillain Studios
- 16th Oct 2007 (NA)
- 23rd Nov 2007 (UK/EU)
Aliens vs. Predator: Requiem PSP
Sierra Entertainment / Rebellion Developments
- 13th Nov 2007 (NA)
- 30th Nov 2007 (UK/EU)
Sierra Entertainment / Rebellion Developments
- 18th Jul 2006 (NA)
- 21st Jul 2006 (UK/EU)
- 31st Aug 2006 (JPN)
Sierra Entertainment / 3G Studios
- 16th Oct 2007 (NA)
- 25th Oct 2007 (JPN)
- 26th Oct 2007 (UK/EU)
M.A.C.H. Modified Air Combat Heroes PSP
Sierra Entertainment / Kuju Entertainment
- 18th Jan 2007 (JPN)
- 20th Feb 2007 (NA)
- 9th Mar 2007 (UK/EU)
King's Quest - Chapter I: A Knight to Remember PS4
Sierra Entertainment / The Odd Gentlemen
- 28th Jul 2015 (UK/EU)
- 28th Jul 2015 (NA)
King's Quest - Chapter II: Rubble without a Cause PS4
Sierra Entertainment / The Odd Gentlemen
- 15th Dec 2015 (UK/EU)
- 15th Dec 2015 (NA)