あたまの体操 - 計算パズル

A new kind of calculation puzzle game, "Brain Training - Calculation Puzzle," that combines calculation skills and logical reasoning, offering the depth of Sudoku!

More than just calculation, this is the ultimate brain training app where you logically deduce which numbers go in each square.

【How to Play】
Using the numbers and operators (+, -, ×, ÷) written in the frames (cages) as hints, fill in the squares so that the numbers do not overlap in vertical and horizontal rows.

The intuitive controls and the exhilarating feeling of solving it are addictive!

【Main Features】
◆ Three Diverse Game Modes
In addition to the classic "multiplication and division," it features "addition and subtraction," and the ultimate "four arithmetic operations" mode where all operators are mixed! It trains your mental calculation skills from multiple angles.

◆ An Overwhelming Volume of 66 Stages
Board sizes range from a beginner's 3x3 to a gigantic 9x9.

From "16th Kyu" to the highest difficulty "6th Dan," you can gradually step up according to your skill level.

◆ [For Advanced Players] The Challenging "No Symbols" Rule
Once you enter the Dan ranks (advanced stages), the calculation symbols (+, -, ×, ÷) are hidden from the hints!
Your extreme reasoning skills will be tested as you try to figure out "which operation to use to get this answer?"

◆ Compete with the World in Online Rankings
Compete with players nationwide in Time Attack!
Aim for the top of the calculation puzzle world in the "Total," "Monthly," and "Weekly" rankings.

◆ Comfortable Play Anytime, Anywhere
- "Temporary Placement (Memo)" function for when you get stuck
- Dynamic highlighting display for easy identification of the next square
- Auto-save support for quick play in spare time

[Recommended for people who:] 】
- For those who enjoy logic puzzles such as Sudoku and crosswords
- For those who want to improve their mental arithmetic skills and calculation speed in a fun way
- For those who want to maintain and improve their cognitive function with brain training apps
- For those who want to clear their heads during their commute or school breaks

Now, let's challenge the limits of your brain!