4U Controller – One-Handed Play

Every day our lives are more dependent on digital technology. Most people work and have interpersonal relations using computers and mobile phones. Others play video games. With all our great technology there are individuals that may not have the chance to experience it due to a disability; especially those that only have the use of one hand. All gaming controllers of this generation are designed to be used with both hands. In the digital era, no one can be left behind.
We believe that the creation of a new gaming controller that allows playing games with the use of one hand would include people with this issue in the gaming culture more than ever. That is why we are presenting the 4U gaming controller.

The purpose of this design is to help people with one disabled hand to have the same experience as any other player who can take full advantage of a two-handed control.

This interface is designed to work with consoles of this generation like PS4 and Xbox One. This allows the user to feel part of the same community and not be treated different, or left behind. It has also the benefit having an established games catalogue.

The design has the purpose of being precise, ergonomic and the buttons are mapped in a way so that it feels like any other controller. That is why it does not use motion controllers as a simulation of physical buttons.

As designers, we have to keep in mind that the controller has to be ergonomic to right or left handed people. For this reason some buttons can be remapped easily by the use of a button detach system.

Screen Shot 2014-06-14 at 4.18.17 PM Screen Shot 2014-06-14 at 2.06.54 PM


  • The prototype was built in plasticine.
  • Violet is the main color
  • Colorful buttons for a greater visual impact.
  • Tip Button
  • Classic ABXY buttons
  • 2 Triggers on the Bottom
  • Squeeze button (Black)
  • 2 Removable side buttons to opposite side for the left-handed
  • Well-balanced weight for perfect gameplay, not too light, nor too heavy
  • Adjustable wristband for smaller hands.
  • A thick cord from the controller to the wrist sensor for stability

IMAG1646 IMAG1645

IMAG1644 IMAG1642

Authors: 4Usability Team

Francisco Bravo: cl.linkedin.com/pub/francisco-bravo/4/72b/2ba

Gonçalo Pereira: pt.linkedin.com/pub/goncalo-pereira/74/82b/935/

Ryan Hawker

Gregory Brunson




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One response to “4U Controller – One-Handed Play”

  1. Claudia says :

    I like it ! i want a controller like this :p

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