Can I play Binary Search Guess on mobile phones?

Yes, it is fully compatible with touchscreen swipe and tap controls on mobile smartphones and tablets with no install needed.

Is there any charge or account registration needed?

No, it is 100% free with no account registrations or personal detail downloads required.

脳トレ Difficulty: Easy

Initializing System...

Deduce the secret passcode between 1 and 100 within 7 attempts using High/Low feedback.

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