9Sudoku

ABOUT

Sudoku built as
a long-term logic platform.

Sudoku — Daily Logic Games combines instant free play with human-graded puzzles, intelligent coaching, Academy learning, variants, Daily challenges, Journey progression and verified competition.

Product principles

Respect concentration

No forced interstitial is allowed in the middle of an active Sudoku.

Explain honestly

Difficulty and Coach guidance are based on actual puzzle logic, not invented labels.

Free at the core

Every Sudoku mode is free. There are no paid subscriptions, VIP tiers or paid unlocks.

Publisher

Published by Umami Solutions Private Limited. The web application is hosted at sudoku.umamification.com and is designed to share its core game platform with the Android and iOS apps.