Aside from Gran Turismo and God of War, video games published and/or developed by Sony do not have the same mass market appeal as Microsoft and Nintendo titles.
(God of War, God of War 2, God of War 3, God of War: Chains of Olympus, Gran Turismo, Gran Turismo 3: A Spec, Gran Turismo 4, Gran Turismo 5, Gran Turismo 5: Prologue, Gran Turismo HD Concept, PS2, PS3, PSP)