Brain Training, Know brain age vs Katachi

Find out your brain age.It just only 30 sec per games. Simple yet addicting app which tests your brain age base on your game performance. ● Observation Tap the numbers 1 to 25 ● Memory Memory alignment of numbers from 0 to 9 ● Judgement Select the "Text color" ● Intuition Tap the specified number of seconds ● Computing Elementary-level math calculations ● Reaction Rock paper scissors by order ● Today's puzzle game Funny puzzle game every day. [Mini Sudoku], [Cross Puzzle], [CALC] Try General Test detect your brain age.

〔What is Katachi?〕 Shapes stream across the screen — circles, triangles, squares, stars — in four directions and five colors. One rule: tap only the ones that match the prompt. Sounds simple. Gets real fast. 〔Four Ways to Play〕 · 10-Question Challenge — Four difficulty levels (Easy to Expert) plus negation prompts ("tap everything except…") keep every session fresh · Daily Challenge — 10 questions shared worldwide each day. Track your streak and share results Wordle-style · Endless Mode — Survive as long as you can. No mercy. · 200 Levels — A long-form progression that grows with you 〔Brain Age〕 Your reaction speed is measured and converted into a brain-response age (15–80). Play daily to push it younger. 〔Built with care〕 · 80 prompt patterns (4 shapes × 5 colors × 4 directions) · Detailed stats with Swift Charts · Dark mode and color-accessibility support · No internet required (except ads) · Zero personal data collected 〔Privacy〕 All gameplay data stays on your device. No account needed. Privacy Policy: https://kazusa703.github.io/privacy.html Terms of Use: https://kazusa703.github.io/terms.html Support: https://kazusa703.github.io/support.html