by Sarah May 27,2025

If you're a gamer, you've likely experienced the frustration of playing vertical arcade games on your phone. The challenge of holding your device in portrait mode, akin to scrolling through Instagram, can detract from the enjoyment of classic vertical shooters and retro games. Enter Max Kern, a modder who's devised an innovative solution with his Tate Mode mini controller, specifically designed for portrait-mode gaming. But the burning question remains: does it truly resolve the issue?
Traditional controllers are engineered for landscape gaming, similar to those used on a Switch or Steam Deck. Yet, the allure of old-school vertical games persists, necessitating a different approach. Max's solution is a compact USB-C gamepad that plugs directly into your phone, eliminating the need for Bluetooth, charging, or extra batteries. This tiny marvel is powered by a Raspberry Pi RP2040 chip, with its case and buttons crafted through 3D printing at JLCPCB. For those intrigued by the DIY aspect, Max offers a detailed tutorial on his YouTube channel.
The Tate Mode mini controller leverages the GP2040-CE firmware, functioning as a standard HID controller compatible with Android, iOS, Windows, and Mac. Its versatility is impressive, given its small size. Yet, concerns arise about the potential strain on the USB-C port, as the gamepad may bear part of the phone's weight, risking connector damage over time. Holding both the phone and controller simultaneously might become cumbersome.
Feedback on Reddit ranges from admiration to apprehension, with some users citing potential hand cramps and discomfort. It's worth noting that this isn't a commercial product but rather a DIY project. Max generously shares all the necessary firmware and print files on Thingiverse and Github, inviting enthusiasts to explore and build their own.
So, what are your thoughts on this ingenious yet compact gamepad? Share your comments below and let us know!
Before you go, don't miss out on our latest coverage of the Zombie Survival Shooting RPG Darkest Days, now available on Android.
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