Hoshiatsume：Number Play

Touch. Resonate. Fall in love. A journey into the secrets of numbers, woven together by prime numbers and factorization. Hoshiatsume: Number Play is a peaceful puzzle experience where you unravel numbers and return them to the night sky as stars. Our goal is not drills or memorization, but to help you become friends with numbers. Through soothing touch and gentle sounds, you experience the structure of numbers as something you can feel, not just understand. Before learning formulas, you begin to sense the beauty and patterns hidden within numbers. ◆ Four Journeys Progress naturally through four stages as you explore the world of numbers. 1. Times Table Constellation (Free) Rhythmically unravel multiplication results with your fingertips. 2. 144 Constellation Explore composite numbers through factorization and discover the hidden structure of numbers. 3. Hard & Soft Stars Develop an intuitive feel for prime and composite numbers up to 144. 4. Decomposing Nebula Continue dividing numbers up to 1,000 into prime factors until only 1 remains. Designed to be enjoyed without mathematical terminology. ◆ Star Map (Collection) Every number you discover becomes a star in the quiet night sky. One by one, the stars gather to reveal new constellations and unexpected celestial landscapes. Touch the scattered stars and listen to their clear, resonant tones. Discover the hidden beauty that numbers quietly hold through your fingertips and your ears. ◆ Perfect For • Children developing an intuitive sense of numbers before formal calculation • Learners who want to enjoy the structure of mathematics beyond memorization • Fans of Sudoku, logic puzzles, and number exploration • Adults seeking a peaceful, relaxing experience with beautiful sounds and a star-filled sky ◆ Designed for Comfort • Stage 1 is free. Stages 2–4 are unlocked with a one-time purchase. • Fully offline • Ad-free • Up to 5 player profiles • Japanese & English support (Japanese: Kuku / English: 12 × 12 Times Tables)