ONE analog stick and the base system had no rumble after the PS1 made it a standard and Metal Gear Solid made it part of the gameplay. The Dualshock was introduced in 1997 and used dual motors in the handles. The left was stronger than the right so they could vary the level of feedback. Nintendo's rumble pack for the N64 released in July of 1997 while the Dualshock controller from sony was released in November. The controller was also hideous with it installed.