暗算LEGEND - 脳トレ・暗算トレーニング

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Content rating
Everyone
10+
Downloads
Content rating
Everyone
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About this game

🧠 Mental Arithmetic LEGEND - Brain Training/Mental Arithmetic Training

A flash-style mental arithmetic training app that instantly memorizes numbers and calculates them in your head.
Mental Arithmetic LEGEND is a brain-training calculation game that simultaneously improves mental arithmetic, memory, concentration, and calculation skills.

By instantly memorizing numbers and performing mental calculations, you can efficiently train your calculation skills and concentration.
Perfect for mental arithmetic practice, calculation training, and daily brain training.

A quest and ranking system allows for deep learning beyond simple calculation practice.
Plus, you can use items to strategically challenge yourself, so your mental arithmetic skills will naturally improve as you play repeatedly.

🔹 Main Features

⏱ Numbers appear for a moment, then disappear immediately!
Reflex-based mental arithmetic training that requires instant memorization and mental calculation.
Improve your memory, concentration, and calculation skills all at once.

🧩 Complete quests and purchase items!
Complete quests and earn points.
Continue your mental arithmetic training with a game-like feel.

🏆 Share your rank-ups!
Easily share images of your earned rank on social media.
You can record your mental arithmetic achievements and training results.

🛠 Overcome difficult sections with items!
Use items like pause and number skip to strategically challenge yourself with mental arithmetic.

⚙ Practice mental arithmetic freely in custom mode.
You can freely set the number of digits, number of questions, and display time.
You can train your mental arithmetic and practice calculations at a difficulty level that suits you.

🌍 Mental arithmetic training in your spare time.
You can concentrate and hone your calculation skills even for a short period of time.

🔸 Recommended for:

- Want to improve your mental arithmetic and calculation skills
- Want to do mental arithmetic and calculation training
- Enjoy brain training and calculation games
- Want to improve your concentration and memory
- Want to continue practicing mental arithmetic in a game-like way
- Want to experience a sense of accomplishment through ranks and titles

Whether you're looking for serious mental arithmetic training or just want to do brain and calculation training in your spare time,
we recommend you try improving your mental arithmetic skills with Mental Calculation LEGEND.
Memorize numbers and calculate instantly! This flash mental arithmetic training brain training game lets you complete quests and earn titles. You can set the number of digits and speed, making it a useful app for improving your calculation skills every day.
Updated on
Mar 23, 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.
  • This app may share these data types with third parties
    Location, App info and performance, and Device or other IDs
  • This app may collect these data types
    App activity, App info and performance, and Device or other IDs
  • Data is encrypted in transit

What’s new

フォント読み込み処理の不具合を修正しました
Content rating
Everyone
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App support

About the developer
對馬 敦志
support@attyu.com
1条1丁目4番22号 札幌市手稲区前田, 北海道 0060811 Japan

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