A Number - 1マスナンプレ

Contains ads
1+
Downloads
Content rating
Everyone
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About this game

[Game Introduction]
A new kind of puzzle game has arrived!
"A Number" is a completely new type of Sudoku puzzle where you don't need to fill in all the squares.
By filling in just one square, you can discover the true fun and depth of Sudoku!
From beginners to advanced players, anyone can enjoy improving their Sudoku skills!
You're sure to love Sudoku even more!
Install the app and experience the fun of A Number!

●Rules
・Use the familiar rules of Sudoku to find the number that goes in the designated red square!

●How to Play
・Play with the same rules as Sudoku.
・You can write down notes of possible numbers.
・After solving one square, you can try solving all of them.

●Recommended for:

・Sudoku lovers
・Those who understand the basic rules of Sudoku but are hesitant to solve all of them
・Those who want to improve their Sudoku skills and solve more difficult problems
・Those who want to enjoy Sudoku in short bursts during commutes or spare time, and prioritize typing skills
Updated on
Mar 30, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

What’s new

初回リリース

App support

Phone number
+818014258400
About the developer
NOREHA
info@noreha.com
2-4-8, EBISUNISHI SHIBUYA-KU, 東京都 150-0021 Japan
+81 80-1425-8400