Sudoku - Brainly & Crossword

Digital Logic Games originated from the 18th century. Simple numbers, endless thinking, careful logic and the fun of solving problems can be reflected in Sudoku.
Let's try, sigma Sudoku meets your logic challenge!

Functional features:

Difficulty adjustment - built in three difficulties: simple, medium and difficult, to experience the advanced road from novice to expert.
Level challenge - you can get star rewards through the challenge, resume the game time, and let you see your progress
Included Tutorials - provide video and graphic teaching, so that you can master all kinds of methods of playing Sudoku in an all-round way

Subscription Description:

-Users can subscribe to all advanced functions with unrestricted access rights;
-The subscription fee is charged annually, and the subscription fee will be deducted from the iTunes account when the user confirms the purchase;
-Users can turn off automatic renewal 24 hours before the end of the current subscription, otherwise it will be renewed automatically;
-The Apple ID that automatically renews the subscription will automatically deduct fees from the iTunes account 24 hours before the expiration of each billing cycle and extend the corresponding validity period;
-Users manage subscription services, that is, after purchase, they can go to the user account to set and turn off automatic subscription.

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Service Use Agreement：https://iflydocs.com/h/s/doc/S18oO7k0wDqt0eAb