Welcome to the Retro.Kumo!

Who We Are

Retro.Kumo is based in Wisconsin, USA. We specialize in importing original retro game consoles directly from Japan, performing component-level motherboard repairs, and installing state-of-the-art modern upgrades.

We don't just swap parts. We engineer solutions. Our founder is an Electrical Engineer who custom-designs PCBs to ensure your childhood console gets clean power, loud audio, and zero compromised safety.

Products Coming Soon!

• 🕹️ Fully Restored Sega Game Gears: Complete capacitor replacement, modern IPS screens, and custom stereo audio.
• 🔌 Safe Battery Mod Boards: Say goodbye to dangerous LiPo batteries! Our custom NiMH charging modules let you play safely.
• 🎧 Clean Audio Amplifiers: Eliminating the dreaded IPS screen audio hiss.
• 🇯🇵 Japan-Exclusive Imports: WonderSwan Color and Neo Geo Pocket Color units restored to their former glory.