ATELIER TOTONOE
JP / EN

Hoshiatsume

Touch. Resonate. Fall in love.

A journey between sensation and structure.

Hoshiatsume Series is a collection of playful experiences where curiosity becomes the gateway to discovering the beauty and structure of our world.

Our vision:
To fall in love before you learn.

See, touch, and resonate.
As you play, you naturally connect with the underlying systems and beauty of the world.
From children to adults, everyone can explore at their own pace.

First Work

Number Play

A journey into the secrets of numbers.

Unravel numbers and collect stars
as you journey through the world of numbers.

Our goal:
To become friends with numbers.

Rather than drills or memorization,
by seeing, touching, and feeling their resonance,
you naturally encounter the beauty and patterns hidden within numbers.
Please turn on the sound and feel the melodies played by the numbers.

The comforting feel of unraveling numbers
Collected Stars
Stars you've collected
Expanding Nebula
An unraveling nebula
Your Star Map
Your very own star map
What you'll learn
  • Times Tables
  • Numbers up to 1,000
  • Prime and composite numbers
  • Factorization
  • Number structures and patterns
    • ※ Designed to be enjoyed without technical math terminology.
Target Audience
  • Children beginning multiplication and division
  • Kids discovering the joy of numbers
  • Anyone who enjoys exploring numerical structures
  • Adults wanting to experience the beauty of numbers
Design Philosophy
Number Sense
Designed to experience the structure and beauty of numbers intuitively rather than through rote memorization.
Up to 5 players, Japanese edition (Kuku)
Fully Offline & Ad-Free
Immerse yourself quietly in the world of numbers without internet distractions or ads.
One-Time Purchase
Stage 1 "Stars of Multiplication" is free. Stages 2–4 are available as a one-time purchase.
✦ App Store
Google Play Coming Later
✦ Web Demo (JP Edition)