You can turn this modular clamp-on controller into an N64 or GameCube gamepad

The X5 Alteron works with smartphones and tablets, and it can replace faulty Joy-Cons on your Nintendo Switch.

CES 2026: Gaming Controllers Are Going Modular This Year

CES 2026 was full of modular controllers, with options for phones, the Xbox, and PC. Some even look a lot like a GameCube controller.

GameSir And Hyperkin Reveal A Modular Pad With GameCube And N64 Layouts

Accessory manufacturers GameSir and Hyperkin have joined forces to produce a fully modular controller that's compatible with the Switch and Switch 2: the GameSir x Hyperkin X5 Alteron.

CES 2026: Hyperkin and Gamesir made a modular game controller for your smartphone, tablet and even your Switch

The X5 Alteron may be the world's first fully modular mobile games controller, with swap-out button arrays and sticks.

GameSir, Hyperkin Unveil Jaw-Dropping Switch 2 And Mobile Controller

The GameSir x Hyperkin X5 Alteron looks too good to be true, but it has the hallmarks of a perfect pad for mobile and Switch ...
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Developing a N64-Gamecube Controller to USB Adapter

A standard HID joystick is being implemented in this project by the microcontroller firmware since Nintendo 64 and Gamecube controllers are excellent controllers for several PC games. A standard HID ...