Games by Sierra Online King's Quest IV: The Perils of Rosella PC Sierra Online 1988 (NA) 3D Ultra Minigolf Adventures 2 PS3 Wanako Studios / Sierra Online 16th Nov 2010 (NA)29th Jun 2011 (UK/EU) King's Quest VI: Heir Today, Gone Tomorrow PC Sierra Online 1992 (NA) Gabriel Knight: Sins of the Fathers PC Sierra Online 17th Dec 1993 (NA)
