While PS has integreted the market,Nintendo and SEGA soon faded to history.After that
, Nintendo merely was supporeted by Handheld game console. Until WII was born, NGC failed completely by the PS2 started to retreat .However, SEGA Dreamcastof was defeated by PS in the end times once more,which haD to become a pure software software. We can say that PS has made a huge conrtibution to Sony,owning the high status in the electronical game field,and become a outstanding main engine in the history of the electronical games.