Zuiki Demonstrates Tiny Smartwatch-Style Retro Console Running Mega Man at TGS

Japanese hardware manufacturer Zuiki showcases a prototype smartwatch-sized miniature retro gaming console running Mega Man at Tokyo Game Show 2026.

Japanese hardware company Zuiki has brought one of Tokyo Game Show 2026's more unusual retro demonstrations: a smartwatch-sized gaming device capable of running Mega Man on its tiny built-in display. The miniature machine appeared alongside the company's more conventional gaming hardware, including controllers designed for current Nintendo systems, but naturally attracted attention because of the contrast between classic console software and an extremely small wearable-style form factor. The prototype resembles a smartwatch physically, yet is being presented as a miniature retro gaming device rather than simply a watch carrying a novelty game. Mega Man can be seen running directly on the small colour screen using integrated controls. Zuiki has not yet provided the sort of information needed to treat the device as an announced consumer product. Pricing, release timing, supported software, processor specifications, battery life and whether games would be built in, licensed or loaded externally remain unclear. It is therefore better viewed as a technology demonstration than an imminent new handheld. Even so, Zuiki has experience developing unusual gaming electronics, and the prototype illustrates just how small dedicated retro hardware has become. Whether anyone actually wants to fight Dr. Wily on a watch-sized screen is a separate, considerably more eyesight-dependent question.