Kapi Kobo icon, a capybara seen from the side

Kapi Kobo

かぴ工房

I make browser games and small web tools, all on my own.

Works

Iro Battle

A browser game where hex colors turn into emoji and fight. Mix paint to change your color and be reborn as a different emoji. There is a new Daily Color every day, plus monthly rankings. Free, with no sign-up.

Play Iro Battle

About Kapi Kobo

Kapi Kobo is a small studio run by one person. Kapi, the capybara in the icon, is my stand-in. I aim to make things that open instantly and are easy to enjoy, and I build them a little at a time.

I post updates, bug fixes and behind-the-scenes notes on X.

News and contact