About Wembuno

Our mission

Wembuno exists to help children master their multiplication facts, have real fun doing it, and want to come back tomorrow. We want parents and teachers to see genuine learning happening, not just time passing.

The world of the Sky Isles

High above the clouds float the Sky Isles, each one lit by a glowing crystal. One day the crystals were carried off by the Grumblers: grumpy but harmless creatures who simply forgot how to smile. Bloo, a cloud sprite who loves counting raindrops, needs a helper. Every right answer makes a Grumbler a little less grumpy, until they cheer up, give back the crystal and the island shines again.

No one is ever defeated or frightened in Wembuno. Bosses are cheered up, mistakes are learning moments, and every buddy you meet is a friend.

Our principles

• Learning first. Every feature must help children remember multiplication facts, not just keep them busy.
• Kind feedback. We never mock, shame or punish mistakes.
• Fair rewards. Everything is earned by playing. No purchases, no loot boxes, no gambling mechanics.
• Privacy by design. No accounts, no personal data, no tracking. Progress stays on the device.
• No manipulation. No fear of missing out, no streak penalties and no pressure to keep playing.
• Accessible to everyone. Large touch targets, keyboard support, screen reader labels, calm animations and optional sound.
• Built to last. Wembuno runs entirely in the browser, needs no AI service and keeps working offline once loaded.

Original artwork and sound

All Wembuno characters, creatures, islands and interface artwork are original designs drawn in code. Every sound effect and the background music are generated live in the browser, so there are no third-party audio files.

Get in touch

Questions or ideas? Grown-ups can contact us.