From airplanes to Pac-Man to the battlefield, the joystick has quietly shaped the way humans connect with machines.

Hidden Levels is a production of 99% Invisible and WBUR's Endless Thread.

Subscribe to SiriusXM Podcasts+ to listen to new episodes of 99% Invisible ad-free and a whole week early. 

Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus. 

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.