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Tokyo, the fall of 1993.

Sony industrial designer Tau Goto wiggles his fingers around the game controller model he's just made.

As a look of contentment spreads across the slim designer's face, Goto thinks,

yes, this is the one.

This is the perfect controller for the PlayStation.

Goto spent months designing the PlayStation controller.

It's a critical task.

The controller is the interface between the player and the game world's the PlayStation will generate on people's TV screens.

It must be comfortable.

It must be attractive.

And it must be something players can use without looking away from their TVs.

But above all, it must be designed for playing 3D games.

Until now, game controllers have been made with two-dimensional game worlds in mind.

They've been flat, plastic rectangles that work fine for 2D games.

But the PlayStation needs something different.

The PlayStation needs a controller that lets players move game characters in three dimensions.

And now, go to thinks, I've finally got one.

Thrilled, he rushes over to PlayStation Mastermind King Kuturagi's office with his latest design.

For weeks, he and Kuturagi have fought bitterly over multiple iterations of the controller.

Kuturagi rejecting every new design.

...